{"product_id":"knife-rock","title":"Knife Rock","description":"\u003cp id=\"p-rc_45f22a96f7696a0c-51\"\u003eBring dramatic structure and sharp, professional aesthetics to your freshwater setup with \u003cb\u003eKnife Rock\u003c\/b\u003e (also known as Knife Stone). \u003cspan class=\"citation-100 citation-end-100\"\u003eRenowned for its distinctive, razor-sharp geological geometry and deep grey tones, this natural stone is a favorite among aquascapers aiming to replicate rugged mountain ridges, dramatic cliffs, and bold Iwagumi layouts.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-99 citation-end-99\"\u003eThe dark coloration provides a breathtaking contrast against lush green aquatic plants and bright cosmetic sands.\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\u003eBeginner Note:\u003c\/i\u003e Knife Rock is exceptionally user-friendly. Because of its flat, angular profiles, beginners can easily stack and lean pieces against each other to build stable ridges, caves, and crevices without needing complex structural adhesives.\u003c\/p\u003e\n\u003ch3\u003eShort Description \u0026amp; Highlights\u003c\/h3\u003e\n\u003cp id=\"p-rc_45f22a96f7696a0c-52\"\u003e\u003cspan class=\"citation-98 citation-end-98\"\u003eKnife Rock features distinct, layered textures and angular edges that instantly introduce depth and a sense of scale to any freshwater aquarium.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Each piece is completely unique, allowing hobbyists to craft customized natural biotope scapes. \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\u003eKnife Rock \/ Knife Stone\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100% Natural Weathered Stone\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eAesthetic Appeal\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSharp, angular geometry with multi-tonal grey\/dark palettes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eIdeal Layouts\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIwagumi, Mountain Slopes, Canyons, Nano Scapes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eWater Chemistry\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eInert to minimal calcium impact; safe for general freshwater use\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eSkill Level\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBeginner to Professional Aquascaper\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eSize Variety\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHand-selected assorted pieces (ideal for small to large setups)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBeginner Aquarist Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_45f22a96f7696a0c-53\"\u003e\u003cb\u003ePreparation:\u003c\/b\u003e \u003cspan class=\"citation-97 citation-end-97\"\u003eRinse each stone thoroughly under lukewarm water using a soft-bristled brush to remove any residual mineral dust before placing it into your aquarium.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Avoid soaps or chemical cleaners. \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\u003eAquascaping Tip:\u003c\/b\u003e Lay down an aquarium-safe leveling mat or a base layer of substrate before placing heavy pieces to protect your tank's bottom glass. Use smaller Knife Rock pieces to accent larger focal monoliths, creating a seamless sense of perspective.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Natural Decoration","offers":[{"title":"Knife Rock (S)","offer_id":57238039953748,"sku":"PS 044-S","price":7.2,"currency_code":"EUR","in_stock":true},{"title":"Knife Rock (M)","offer_id":57238039986516,"sku":"PS 044-M","price":7.2,"currency_code":"EUR","in_stock":true},{"title":"Knife Rock (L)","offer_id":57238040019284,"sku":"PS 044-L","price":7.2,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1052\/5828\/7444\/files\/KnifeRock.jpg?v=1790067753","url":"https:\/\/www.tropicalmarineaquatic.com\/products\/knife-rock","provider":"Tropical Marine Aquatic","version":"1.0","type":"link"}