{"product_id":"reeflowers-iceland-black-sand-3-5mm-25kg-premium-substrate-for-soft-water-aquariums","title":"Reeflowers Iceland Black Sand 3-5mm 25kg – Premium Substrate for Soft Water Aquariums","description":"\u003cp data-start=\"121\" data-end=\"669\"\u003eReeflowers Iceland Black Sand (3-5mm) 25kg is an exceptional aquarium substrate designed for soft water environments, including Discus tanks. This high-quality sand is cleaned and sterilized using advanced ultra-filtration and activated carbon techniques, ensuring that it is free from chemicals and synthetic components. The smooth, rounded sand particles are gentle on sensitive species, creating a safe and healthy environment for your fish while promoting the growth of beneficial nitrifying and denitrifying bacteria.\u003c\/p\u003e\n\u003cp data-start=\"671\" data-end=\"1087\"\u003ePerfect for all soft water aquariums, Reeflowers Iceland Black Sand helps to maintain optimal water quality and supports the natural biological filtration process. It is particularly ideal for Discus and other delicate fish species, offering a natural substrate that enhances both the aesthetic and functional aspects of your aquarium. To speed up water clarification, use Reeflowers AquaClear after adding the sand.\u003c\/p\u003e\n\u003cp data-start=\"1089\" data-end=\"1106\"\u003e\u003cstrong data-start=\"1089\" data-end=\"1106\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1107\" data-end=\"1496\"\u003e\n\u003cli data-start=\"1107\" data-end=\"1163\"\u003eIdeal for soft water aquariums, including Discus tanks\u003c\/li\u003e\n\u003cli data-start=\"1164\" data-end=\"1240\"\u003eSterilized with ultra-filtration and activated carbon, free from chemicals\u003c\/li\u003e\n\u003cli data-start=\"1241\" data-end=\"1302\"\u003eSmooth, non-abrasive sand particles safe for sensitive fish\u003c\/li\u003e\n\u003cli data-start=\"1303\" data-end=\"1377\"\u003eEncourages nitrifying and denitrifying bacteria for efficient filtration\u003c\/li\u003e\n\u003cli data-start=\"1378\" data-end=\"1436\"\u003eParticle size: 3-5mm, providing a clean and natural look\u003c\/li\u003e\n\u003cli data-start=\"1437\" data-end=\"1496\"\u003eUse Reefflowers AquaClear for quicker water clarification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1498\" data-end=\"1778\"\u003eReeflowers Iceland Black Sand (3-5mm) 25kg is a premium substrate designed for soft water aquariums. Free from chemicals and synthetic materials, it provides a safe, natural environment for sensitive species like Discus while promoting biological filtration.\u003c\/p\u003e","brand":"Reef-freaks","offers":[{"title":"Default Title","offer_id":55423019680120,"sku":"777043","price":42.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/7115\/3169\/files\/download-2026-01-19T110603.776.png?v=1768799263","url":"https:\/\/reef-freaks.co.uk\/products\/reeflowers-iceland-black-sand-3-5mm-25kg-premium-substrate-for-soft-water-aquariums","provider":"Reef-freaks","version":"1.0","type":"link"}