{"title":"Water Tests","description":null,"products":[{"product_id":"jbl-proaqua-test-gh","title":"JBL ProAqua Test GH","description":"\u003cp id=\"p-rc_3287e050f9e15f13-57\"\u003e\u003cspan class=\"citation-146\"\u003eThe \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-146\"\u003eJBL ProAqua Test GH\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-146 citation-end-146\"\u003e is an essential liquid-reagent test kit designed to accurately measure the general hardness (Total Hardness) in freshwater aquariums and garden ponds.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Understanding and monitoring general hardness is vital for beginner aquarists, as it measures the concentration of essential calcium and magnesium ions that directly impact fish osmoregulation, plant vitality, and overall biological stability. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch3\u003eShort Description \u0026amp; Highlights\u003c\/h3\u003e\n\u003cp id=\"p-rc_3287e050f9e15f13-58\"\u003e\u003cspan class=\"citation-145 citation-end-145\"\u003eThe JBL ProAqua Test GH utilizes a straightforward titration method—a simple drop-by-drop color change system—to determine total water hardness quickly and reliably.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e By counting the drops until a distinct transition from red to green occurs, hobbyists can precisely calculate their water parameters. This user-friendly kit provides laboratory-grade accuracy packaged intentionally for everyday aquarium maintenance and beginner success. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Product Highlights:\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProduct Name\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJBL ProAqua Test GH (General Hardness)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTest Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLiquid Titration Drop Test\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eApplication\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFreshwater Aquariums, Planted Tanks, and Ponds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMeasurement Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDetermines Total Hardness (GH) levels accurately\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eColor Transition\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eClear visual shift from Red to Green\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eEase of Use\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh (Includes dosing syringe and glass\/plastic cuvette)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eRefillable\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEconomical refill reagent packs available separately\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDetailed Beginner Guide \u0026amp; Usage Instructions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003e1. Why Measure General Hardness (GH)?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eGeneral hardness tracks essential minerals like calcium and magnesium dissolved in your aquarium water. Tap water profiles fluctuate by region, and knowing your GH ensures you select fish and shrimp species that thrive in those specific conditions. It also prevents unexpected mineral deficiencies that can stunt live aquarium plant growth.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. Step-by-Step Testing Procedure\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRinse the enclosed plastic measuring vial thoroughly with the aquarium water you intend to test.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFill the vial with exactly 5 ml of sample water using the provided dosing syringe.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdd the test reagent drop by drop, swirling the vial gently after each drop, and count them.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_3287e050f9e15f13-59\"\u003e\u003cspan class=\"citation-144\"\u003eWatch for the color change shifting from \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-144\"\u003ered to green\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-144 citation-end-144\"\u003e.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e The total number of drops added corresponds directly to the German hardness degrees (°dGH). \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e3. Interpreting Results \u0026amp; Maintenance\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eOnce you record your total drops, compare the value with the requirements of your livestock. If adjustments are necessary through RO (Reverse Osmosis) water mixing or remineralizing salts, regular testing allows you to track changes safely and prevent sudden shock to your aquatic ecosystem.\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":57204508361044,"sku":"205687","price":9.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1052\/5828\/7444\/files\/JBLProAquaTestGH_23081476-c206-4ffb-af80-1bc7118dbac2.png?v=1789761865"},{"product_id":"jbl-proaqua-test-kh","title":"JBL ProAqua Test KH","description":"\u003cp id=\"p-rc_47d9015162ee8087-68\"\u003e\u003cspan class=\"citation-205\"\u003eThe \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-205\"\u003eJBL ProAqua Test KH\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-205 citation-end-205\"\u003e (Carbonate Hardness) is an essential, professional-grade liquid drop test designed to accurately measure the acid-binding capacity and carbonate hardness in freshwater aquariums, marine setups, and garden ponds.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-204 citation-end-204\"\u003eMaintaining proper carbonate hardness is critical because KH acts as a natural buffer system, preventing dangerous, rapid pH fluctuations that can stress or harm fish and live plants.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch3\u003eShort Description \u0026amp; Highlights\u003c\/h3\u003e\n\u003cp id=\"p-rc_47d9015162ee8087-69\"\u003eThe JBL ProAqua Test KH utilizes a straightforward color-change titration method. \u003cspan class=\"citation-203 citation-end-203\"\u003eBy counting the drops of reagent added to a sample water vial until the color shifts cleanly from blue to yellow, hobbyists can directly read the exact hardness value (each drop corresponds to 1\u003c\/span\u003e\u003cspan class=\"citation-202 citation-end-202\"\u003e°dKH).\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e For beginner aquarists, this reliable test kit takes the guesswork out of water chemistry and ensures optimal conditions for fish health and CO2 injection. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Product Highlights:\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProduct Name\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJBL ProAqua Test KH (Carbonate Hardness)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eWater Types\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFreshwater, Marine Aquariums, and Garden Ponds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTest Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLiquid Drop Titration (Color Change: Blue to Yellow)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMeasurement Unit\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cspan class=\"math-inline\"\u003e1 drop = 1 dKH\u003c\/span\u003e (German hardness degrees)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eApplication Frequency\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOnce a week for new setups; once a month for established tanks\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTarget Audience\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBeginner to Advanced Aquarists\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDetailed Beginner Guide \u0026amp; Usage Instructions\u003c\/h3\u003e\n\u003cp id=\"p-rc_47d9015162ee8087-70\"\u003e\u003cb\u003e1. Why Carbonate Hardness Matters\u003c\/b\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_47d9015162ee8087-70\"\u003eFor beginners, understanding KH is vital. \u003cspan class=\"citation-201 citation-end-201\"\u003eCarbonate hardness measures dissolved bicarbonates, serving as a chemical \"buffer\" that stabilizes your water's pH level.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e If KH drops too low (under \u003cspan class=\"math-inline\"\u003e3\u003c\/span\u003e to \u003cspan class=\"math-inline\"\u003e5\u003c\/span\u003e°dKH), your tank becomes vulnerable to dangerous \"pH crashes.\" \u003cspan class=\"citation-200 citation-end-200\"\u003eIt is also crucial for planted tank hobbyists, as a stable KH ensures efficient and safe CO2 fertilization.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. Step-by-Step Testing Procedure\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRinse the included plastic sample vial thoroughly with the water you intend to test.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFill the vial with exactly \u003cspan class=\"math-inline\"\u003e5ml\u003c\/span\u003e of aquarium water using the provided dosing syringe.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_47d9015162ee8087-71\"\u003e\u003cspan class=\"citation-199\"\u003eAdd the test reagent \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-199\"\u003edrop by drop\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-199 citation-end-199\"\u003e, swirling the vial gently after each drop, and count them.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_47d9015162ee8087-72\"\u003e\u003cspan class=\"citation-198\"\u003eContinue adding drops until the color changes distinctly from \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-198\"\u003eblue to yellow\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-198 citation-end-198\"\u003e.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_47d9015162ee8087-73\"\u003e\u003cspan class=\"citation-197 citation-end-197\"\u003eThe total number of drops added equals your carbonate hardness in °dKH (e.g., 5 drops = \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e5 dKH\u003c\/span\u003e\u003cspan class=\"citation-196 citation-end-196\"\u003e).\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e3. Interpreting Your Results\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_47d9015162ee8087-74\"\u003e\u003cb\u003eCommunity Freshwater Aquariums:\u003c\/b\u003e \u003cspan class=\"citation-195 citation-end-195\"\u003eGenerally optimal between \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e5\u003c\/span\u003e\u003cspan class=\"citation-194 citation-end-194\"\u003e to \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e12\u003c\/span\u003e\u003cspan class=\"citation-193 citation-end-193\"\u003e °dKH.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePlant-Heavy Aquascapes:\u003c\/b\u003e Typically maintained between \u003cspan class=\"math-inline\"\u003e3\u003c\/span\u003e to \u003cspan class=\"math-inline\"\u003e8\u003c\/span\u003e °dKH to support steady plant growth and carbon uptake.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIf your readings fall outside these ranges, adjustments can be made safely using specialized mineral salts or routine partial water changes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":57204625211732,"sku":"2411000","price":11.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1052\/5828\/7444\/files\/JBLProAquaTestKH.jpg?v=1789761494"},{"product_id":"jbl-proaqua-test-no-nitrate","title":"JBL ProAqua Test NO₃","description":"\u003cp id=\"p-rc_20129042ad04f40a-81\"\u003eThe \u003cb\u003eJBL ProAqua Test NO₃ Nitrate\u003c\/b\u003e is an essential professional-grade colorimetric test kit designed to accurately determine nitrate levels in freshwater aquariums, marine saltwater aquariums, and garden ponds. \u003cspan class=\"citation-247 citation-end-247\"\u003eMonitoring nitrate is crucial for hobbyists, as elevated levels can trigger unwanted algae blooms and impact the overall health of sensitive livestock.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eNote for Beginner Aquarists:\u003c\/i\u003e Nitrate (\u003cspan class=\"math-inline\"\u003eNO3\u003c\/span\u003e) is the final end-product of the biological filtration cycle (the nitrogen cycle). While low levels can act as a beneficial fertilizer for live aquatic plants, excessively high concentrations indicate a need for water changes or a review of feeding habits. This kit makes tracking those numbers straightforward and precise.\u003c\/p\u003e\n\u003ch3\u003eShort Description \u0026amp; Highlights\u003c\/h3\u003e\n\u003cp id=\"p-rc_20129042ad04f40a-82\"\u003e\u003cspan class=\"citation-246 citation-end-246\"\u003eThe JBL ProAqua Test NO₃ features a smart laboratory comparator system that automatically compensates for inherent water discoloration (such as tinted water from driftwood) to guarantee clear, reliable results.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-245 citation-end-245\"\u003eComplete with a multi-gradation color chart, syringes, and glass vials, it provides everything a beginner needs to perform routine water analysis with confidence.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Product Highlights:\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBrand \/ Model\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJBL ProAqua Test NO₃ Nitrate\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTest Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLiquid Colorimetric Drop Test\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eApplication\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFreshwater Aquariums, Marine Aquariums, and Ponds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMeasurement Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 to 220 mg\/L (ppm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTest Capacity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 40 to 50 individual tests\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eComparator System\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBuilt-in water color compensation for high accuracy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eIn-Box Accessories\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eReagents, glass vials, syringe, color chart, and instructions\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDetailed Beginner Guide \u0026amp; Usage Instructions\u003c\/h3\u003e\n\u003cp id=\"p-rc_20129042ad04f40a-83\"\u003e\u003cb\u003e1. Why You Need to Test\u003c\/b\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_20129042ad04f40a-83\"\u003eEven crystal-clear water can harbor invisible accumulation of waste compounds. \u003cspan class=\"citation-244 citation-end-244\"\u003eTesting regularly helps you evaluate your filtration efficiency, catch spikes before they stress your fish, and maintain balanced parameters for lush plant growth (recommended community levels are generally between 10 to 30 mg\/L for planted tanks).\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. Step-by-Step Testing Process\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRinse:\u003c\/b\u003e Thoroughly rinse the enclosed glass vial with the aquarium water you want to test.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSample:\u003c\/b\u003e Use the provided syringe to measure exactly 10 ml of aquarium water into the vial.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eReagents:\u003c\/b\u003e Add the specified drops of Reagent 1 and Reagent 2 according to the enclosed manual, then gently swirl the vial.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCompare:\u003c\/b\u003e Allow the reaction time to pass, place the vial into the clever plastic comparator block alongside the clear water sample (to neutralize background color), and match the color against the 11-point chart.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp id=\"p-rc_20129042ad04f40a-84\"\u003e\u003cb\u003e3. Maintenance \u0026amp; Storage\u003c\/b\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_20129042ad04f40a-84\"\u003e\u003cspan class=\"citation-243 citation-end-243\"\u003eStore the kit in a cool, dark, and dry place out of reach of children (ideal storage temperature between 15°C and 25°C).\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-242 citation-end-242\"\u003eRefill reagent bottles are widely available separately once your initial supply runs out, making this a long-term investment for your aquarium maintenance toolkit.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":57204678263124,"sku":"2412500","price":16.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1052\/5828\/7444\/files\/JBLProAquaTestNO_Nitrate.jpg?v=1789761678"},{"product_id":"jbl-iron-test-kit-fe","title":"JBL Iron Test Kit FE","description":"\u003cp id=\"p-rc_8445cc6da1674e79-86\"\u003e\u003cspan class=\"citation-302\"\u003eThe \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-302\"\u003eJBL Iron Test Kit (Fe)\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-302 citation-end-302\"\u003e is an essential water analysis tool designed to accurately measure iron concentrations in freshwater and marine aquariums.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-301 citation-end-301\"\u003eIron is a vital trace element required for lush, healthy plant growth, but it depletes rapidly.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-300 citation-end-300\"\u003eThis professional-grade test kit allows hobbyists to monitor fertilization routines, prevent nutrient deficiencies, and control algae outbreaks.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch3\u003eShort Description \u0026amp; Highlights\u003c\/h3\u003e\n\u003cp id=\"p-rc_8445cc6da1674e79-87\"\u003e\u003cspan class=\"citation-299 citation-end-299\"\u003eThe JBL Iron Test Kit utilizes a clever laboratory comparator system that effectively compensates for inherent water discoloration, ensuring accurate readings even in tanks with driftwood or peat.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-298 citation-end-298\"\u003eIt reacts to all dissolved forms of iron, providing clear visual results via a 9-color graduated scale.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Perfect for beginners, it takes the guesswork out of dosing liquid fertilizers. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Product Highlights:\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProduct Name\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJBL ProAquaTest Fe (Iron)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTest Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLiquid color-imetric quick test\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTarget Application\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFreshwater aquariums, planted tanks, and marine systems\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMeasurement Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 0.02 to 1.5 mg\/L (Fe)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eIdeal Target Level\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.05 to 0.2 mg\/L (Freshwater\/Community)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCapacity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 50 measurements\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eIncluded Components\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eReagent, 2 glass vials, syringe, comparator block, and color scale\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDetailed Beginner Guide\u003c\/h3\u003e\n\u003cp id=\"p-rc_8445cc6da1674e79-88\"\u003e\u003cb\u003e1. Why Monitor Iron?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_8445cc6da1674e79-88\"\u003eAquarium plants require iron to synthesize chlorophyll. \u003cspan class=\"citation-297 citation-end-297\"\u003eWithout adequate iron, beginner hobbyists often notice younger leaves turning pale yellow or glassy (chlorosis), alongside stunted growth.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Conversely, excessive iron accumulation can trigger aggressive unwanted algae blooms. Regular testing ensures your dosing matches plant consumption. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. How to Use the Comparator System\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_8445cc6da1674e79-89\"\u003e\u003cspan class=\"citation-296 citation-end-296\"\u003eFill the glass vials with sample aquarium water using the included syringe.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_8445cc6da1674e79-90\"\u003e\u003cspan class=\"citation-295 citation-end-295\"\u003eAdd the specified drops of reagent to one of the vials.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_8445cc6da1674e79-91\"\u003e\u003cspan class=\"citation-294 citation-end-294\"\u003ePlace both vials into the plastic comparator block (the clever design neutralizes yellowish tank water tints).\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_8445cc6da1674e79-92\"\u003e\u003cspan class=\"citation-293 citation-end-293\"\u003eMatch the resulting color against the provided reference chart to determine your exact iron value.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp id=\"p-rc_8445cc6da1674e79-93\"\u003e\u003cb\u003e3. Testing Frequency\u003c\/b\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_8445cc6da1674e79-93\"\u003e\u003cspan class=\"citation-292 citation-end-292\"\u003eFor new aquariums, test once right after setup.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-291 citation-end-291\"\u003eFor established planted setups, test on a weekly basis—ideally right before your routine water change or fertilizer dosing—to evaluate how efficiently your flora is consuming nutrients.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":57204741144916,"sku":"2411600","price":22.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1052\/5828\/7444\/files\/JBLIronTestKit_Fe.jpg?v=1789761994"},{"product_id":"jbl-potassium-test-kit-k","title":"JBL Potassium Test Kit K","description":"\u003cp id=\"p-rc_ba034733b2849f32-100\"\u003e\u003cspan class=\"citation-362\"\u003eThe \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-362\"\u003eJBL Potassium Test Kit (K)\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-362 citation-end-362\"\u003e is an essential professional-grade water analysis tool designed to measure potassium levels quickly and accurately in freshwater and planted aquariums.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Potassium is a critical macronutrient that aquatic plants rapidly consume; \u003cspan class=\"citation-361 citation-end-361\"\u003edeficiencies often lead to stagnating growth and pinholes in leaves, even when lighting and carbon dioxide levels are optimal.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch3\u003eShort Description \u0026amp; Highlights\u003c\/h3\u003e\n\u003cp id=\"p-rc_ba034733b2849f32-101\"\u003e\u003cspan class=\"citation-360 citation-end-360\"\u003eThe JBL ProAquaTest K is a specialized turbidity-based test kit that allows beginner and advanced aquarists to monitor potassium concentrations with confidence.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-359 citation-end-359\"\u003eBy detecting hidden nutrient shortages early, this test helps prevent unsightly algae outbreaks and promotes lush, vibrant plant development.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-358 citation-end-358\"\u003eThe kit includes all necessary reagents, syringes, and a specialized viewing vial for approximately 25 precise measurements.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Product Highlights:\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProduct Name\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJBL PROAQUATEST K Potassium (Kalium)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eAquarium Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFreshwater \u0026amp; Planted Aquariums \/ Aquascapes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTest Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTurbidity-based quick drop test (Visual reference)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMeasurement Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 to 15 mg\/l ( ניתן extendable via dilution)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCapacity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 25 tests\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eIdeal Target Value\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 to 30 mg\/l for heavily planted setups\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eIncluded Components\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Reagents, Special Glass Vial, Syringe, Dosing Spoon, Instructions\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDetailed Beginner Care Guide\u003c\/h3\u003e\n\u003cp id=\"p-rc_ba034733b2849f32-102\"\u003e\u003cb\u003e1. Understanding Potassium in the Aquarium\u003c\/b\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_ba034733b2849f32-102\"\u003e\u003cspan class=\"citation-357 citation-end-357\"\u003ePotassium (K) is one of the primary macronutrients required for healthy freshwater plant metabolism.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-356 citation-end-356\"\u003eBecause tap water frequently lacks sufficient potassium relative to calcium and magnesium, levels can deplete rapidly within hours of fertilization.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Regular testing ensures your plants have continuous access to this vital building block. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. Step-by-Step Testing Procedure\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRinse the enclosed plastic syringe and glass test vial thoroughly with the aquarium water you wish to test.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_ba034733b2849f32-103\"\u003e\u003cspan class=\"citation-355 citation-end-355\"\u003eMeasure exactly specified water volumes using the syringe and pour the sample into the glass vial.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdd the designated drops and amounts of reagents according to the enclosed instruction manual, swirling gently.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAllow the sample to react, creating a cloudy turbidity response. Slowly pour the mixture into the special measuring vial until the black cross printed underneath is obscured, then read the corresponding value in mg\/l.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e3. Interpreting Results \u0026amp; Adjusting Care\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eIf your test results fall below the recommended range of 10–30 mg\/l, you can safely supplement macro-element fertilizers (such as liquid potassium boosters) to restore balance. Routine weekly testing allows beginners to fine-tune their dosing schedule and maintain a thriving, algae-free ecosystem.\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":57204782039380,"sku":"2413000","price":30.24,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1052\/5828\/7444\/files\/JBLPotassiumTestKit_K.jpg?v=1789762359"},{"product_id":"jbl-ammonium-nh-test-kit","title":"JBL Ammonium Test Kit NH₄","description":"\u003cp id=\"p-rc_02f1d0fa5366dcde-114\"\u003e\u003cspan class=\"citation-422\"\u003eThe \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-422\"\u003eJBL Ammonium (NH₄) Test Kit\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-422 citation-end-422\"\u003e is an essential water analysis tool designed to measure and monitor ammonium and toxic ammonia concentrations in freshwater and marine aquariums, as well as garden ponds.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-421 citation-end-421\"\u003eBecause un-ionized ammonia is highly toxic to fish and livestock, routine testing provides a critical safeguard for maintaining a stable, biologically balanced aquatic ecosystem.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch3\u003eShort Description \u0026amp; Highlights\u003c\/h3\u003e\n\u003cp id=\"p-rc_02f1d0fa5366dcde-115\"\u003e\u003cspan class=\"citation-420 citation-end-420\"\u003eThe JBL PROAQUATEST NH4 Ammonium Kit utilizes a precise colorimetric comparison method to evaluate organic pollution and filtration efficiency.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-419 citation-end-419\"\u003eFeaturing a unique laboratory comparator system that compensates for inherent water discoloration, it delivers highly accurate readings.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-418 citation-end-418\"\u003eIt is especially crucial for beginner aquarists during the initial cycling phase of a new aquarium to track the breakdown of proteins and waste.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Product Highlights:\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProduct Name\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJBL PROAQUATEST NH4 Ammonium\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eAquarium Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFreshwater, Marine Aquariums, and Ponds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMeasurement Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.05 to 5.0 mg\/l (ppm) Ammonium\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eSafe Threshold\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRecommended maximum level \u0026lt; 0.25 mg\/l\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTest Capacity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 50 measurements\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eIncluded Components\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eReagents, 2 glass vials, comparator block, syringe, color scale, \u0026amp; conversion table\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eSpecial Feature\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIncludes a pH-dependent lookup table to calculate toxic ammonia (NH3)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDetailed Beginner Guide \u0026amp; Usage\u003c\/h3\u003e\n\u003cp id=\"p-rc_02f1d0fa5366dcde-116\"\u003e\u003cb\u003e1. Why Test for Ammonium?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_02f1d0fa5366dcde-116\"\u003e\u003cspan class=\"citation-417 citation-end-417\"\u003eDuring the nitrogen cycle, organic waste (uneaten food, fish waste, and decaying plant matter) breaks down into toxic ammonium and ammonia (\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003eNH3\/NH4\u003c\/span\u003e\u003cspan class=\"citation-416 citation-end-416\"\u003e).\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Beneficial bacteria then convert this waste into nitrite and subsequently into safer nitrate. For beginners, tracking ammonium levels ensures that your biological filter is fully established and capable of handling livestock safely. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. How to Use the Kit\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRinse the enclosed glass vials thoroughly with the aquarium water you wish to test.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_02f1d0fa5366dcde-117\"\u003e\u003cspan class=\"citation-415 citation-end-415\"\u003eUse the provided syringe to fill each vial with exactly 5 ml of sample water.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_02f1d0fa5366dcde-118\"\u003e\u003cspan class=\"citation-414 citation-end-414\"\u003eAdd the specified drops of reagents to one of the vials in the correct sequence, sealing and mixing gently.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_02f1d0fa5366dcde-119\"\u003e\u003cspan class=\"citation-413 citation-end-413\"\u003ePlace both vials into the comparator block (placing the untreated water vial on the blank side to offset water color) and match the color against the provided scale.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp id=\"p-rc_02f1d0fa5366dcde-120\"\u003e\u003cb\u003e3. Interpreting Results \u0026amp; Action Steps\u003c\/b\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_02f1d0fa5366dcde-120\"\u003eIdeal levels should be undetectable or strictly below \u003cspan class=\"math-inline\"\u003e0.25mg\/l}\u003c\/span\u003e. \u003cspan class=\"citation-412 citation-end-412\"\u003eIf high ammonium is detected, use the included reference table (which cross-references your current pH level) to determine actual free ammonia toxicity.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Immediate water changes, reduced feeding, and the addition of beneficial bacterial starters are recommended to protect your fish. \u003c!----\u003e\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":57204976124244,"sku":"2412100","price":20.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1052\/5828\/7444\/files\/JBLAmmonium_NH_TestKit.jpg?v=1789763420"},{"product_id":"jbl-phosphate-test-kit-po4","title":"JBL Phosphate Test Kit Po4","description":"\u003cp id=\"p-rc_56f34ed4a56c2210-129\"\u003e\u003cspan class=\"citation-470\"\u003eThe \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-470\"\u003eJBL Phosphate Test Kit (PO4)\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-470 citation-end-470\"\u003e is an essential professional-grade water analysis tool designed to accurately measure phosphate levels in freshwater and marine aquariums.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-469 citation-end-469\"\u003ePhosphate is a primary nutrient driver for unwanted algae blooms;\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e monitoring it helps beginner aquarists maintain a pristine, balanced ecosystem. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch3\u003eShort Description \u0026amp; Highlights\u003c\/h3\u003e\n\u003cp id=\"p-rc_56f34ed4a56c2210-130\"\u003e\u003cspan class=\"citation-468 citation-end-468\"\u003eThe JBL PO4 Test Kit features a high-sensitivity laboratory comparator system that offsets inherent water coloration (such as from driftwood or root extracts) to deliver crystal-clear reading accuracy.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-467 citation-end-467\"\u003eProviding approximately 50 precise measurements, it helps beginners quickly identify hidden pollution sources before minor imbalances turn into major algae outbreaks.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Product Highlights:\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProduct Name\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJBL ProAquaTest PO4 Phosphate Sensitive\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTest Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLiquid \u0026amp; Powder Reagent Colorimetric Test\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eApplication\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFreshwater Aquariums, Marine Aquariums, and Ponds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMeasurement Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.02 to 1.8 mg\/l (ppm) PO4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCapacity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 50 Tests\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eIn-Box Inclusions\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eReagents, Glass Cuvettes, Comparator Block, Syringe, Spoon, Color Scale\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePrimary Function\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAlgae prevention and optimal plant\/coral nutrient tracking\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDetailed Beginner Guide \u0026amp; Usage\u003c\/h3\u003e\n\u003cp id=\"p-rc_56f34ed4a56c2210-131\"\u003e\u003cb\u003e1. Why Test for Phosphate?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_56f34ed4a56c2210-131\"\u003e\u003cspan class=\"citation-466 citation-end-466\"\u003eIn an aquarium, phosphate enters primarily through fish waste, uneaten fish food, and tap water.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e While plants need small amounts of phosphate to grow, excess levels (often above 0.1 to 0.4 mg\/l in freshwater) act as a potent fertilizer for nuisance hair and green algae. Regular testing keeps these parameters transparent. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. How to Use the Comparator System\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_56f34ed4a56c2210-132\"\u003e\u003cspan class=\"citation-465 citation-end-465\"\u003eRinse the enclosed glass vials thoroughly with the aquarium water you intend to test.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFill both vials with 5 ml of sample water using the provided syringe.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_56f34ed4a56c2210-133\"\u003e\u003cspan class=\"citation-464 citation-end-464\"\u003eAdd the specified liquid and powder reagents to one of the vials following the manual instructions.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_56f34ed4a56c2210-134\"\u003e\u003cspan class=\"citation-463 citation-end-463\"\u003ePlace both vials into the plastic comparator block—putting the blank sample on one side compensates for any native yellow\/brown discoloration in your tank water.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_56f34ed4a56c2210-135\"\u003e\u003cspan class=\"citation-462 citation-end-462\"\u003eSlide the block over the color chart until the colors match, then read your exact PO4 value.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e3. Recommended Target Values\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eFor standard freshwater community tanks, aim to keep phosphate levels between 0.02 and 0.4 mg\/l. For heavily planted aquascapes, slightly higher ranges can be tolerated if balanced with adequate carbon dioxide and macro-nutrients.\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":57204995621204,"sku":"2412700","price":20.87,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1052\/5828\/7444\/files\/JBLPhosphateTestKitPo4.jpg?v=1789763865"},{"product_id":"jbl-magnesium-test-kit-mg","title":"JBL Magnesium Test Kit Mg","description":"\u003cp id=\"p-rc_b18ec0dffe94570c-136\"\u003e\u003cspan class=\"citation-539\"\u003eThe \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-539\"\u003eJBL PROAQUATEST Mg Magnesium Freshwater\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-539 citation-end-539\"\u003e is an essential liquid test kit designed to accurately measure magnesium (Mg) concentrations in freshwater and planted aquariums.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-538 citation-end-538\"\u003eMagnesium acts as a crucial macroelement that directly influences chlorophyll production and overall aquatic plant vitality.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eNote for Beginner Aquarists:\u003c\/i\u003e Managing magnesium levels is a wonderful step up for hobbyists diving into advanced planted tanks. If your aquatic plants are showing signs of stunted growth or yellowing leaves despite regular dosing, tracking your magnesium levels with this precise kit will help you dial in a perfectly balanced fertilizer routine.\u003c\/p\u003e\n\u003ch3\u003eShort Description \u0026amp; Highlights\u003c\/h3\u003e\n\u003cp id=\"p-rc_b18ec0dffe94570c-137\"\u003e\u003cspan class=\"citation-537 citation-end-537\"\u003eThe JBL Magnesium Test Kit provides a reliable, laboratory-grade colorimetric method to monitor magnesium levels ranging from 0 to over 10 mg\/l.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-536 citation-end-536\"\u003eFeaturing a specialized comparator block system that neutralizes background water coloration, it ensures clear and repeatable results.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-535 citation-end-535\"\u003eEach kit comes equipped with reagents for approximately 60 measurements, a dosing syringe, and easy-to-read color charts, making professional water analysis accessible for beginners.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Product Highlights:\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProduct Name\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJBL PROAQUATEST Mg Magnesium Freshwater\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eParameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMagnesium (Mg) Content\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eAquarium Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFreshwater \u0026amp; Planted Aquariums\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMeasurement Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 10 mg\/l (and \u0026gt;10 mg\/l)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eIdeal Target Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 to 10 mg\/l (for lush plant growth)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eTest Capacity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 60 measurements\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eIncluded System\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eReagents, 2 Glass Vials, Syringe, Comparator Block, Color Scale\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDetailed Beginner Care Guide\u003c\/h3\u003e\n\u003cp id=\"p-rc_b18ec0dffe94570c-138\"\u003e\u003cb\u003e1. Understanding Magnesium in the Aquarium\u003c\/b\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_b18ec0dffe94570c-138\"\u003eMagnesium works alongside calcium and potassium to regulate plant metabolism and nutrient uptake. In soft water setups or heavily planted Dutch aquariums, magnesium can easily become depleted, leading to poor plant health. \u003cspan class=\"citation-534 citation-end-534\"\u003eRegular testing helps you identify deficiencies before they impact your scaping layout.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_b18ec0dffe94570c-139\"\u003e\u003cb\u003e2. Step-by-Step Testing Process\u003c\/b\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_b18ec0dffe94570c-139\"\u003eRinse the provided glass sample vials thoroughly with the aquarium water you intend to test. \u003cspan class=\"citation-533 citation-end-533\"\u003eUse the enclosed syringe to measure exactly 5 ml of water into each vial.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Add the specified drops of reagents sequentially following the detailed instruction manual, cap the vials, and gently mix. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e3. Reading Results with the Comparator\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003ePlace the vials into the smart plastic comparator block—one slot on the blank side and one on the test side—to neutralize any inherent yellow-brown tint or discoloration in your aquarium water. Slide the block across the color chart until the colors match identically, allowing you to read your precise magnesium value with confidence.\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":57205014495572,"sku":"2414200","price":27.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1052\/5828\/7444\/files\/JBLMagnesiumTestKitMg.jpg?v=1789764116"}],"url":"https:\/\/www.tropicalmarineaquatic.com\/collections\/water-tests.oembed","provider":"Tropical Marine Aquatic","version":"1.0","type":"link"}