{"product_id":"shark-obsidian-black-sand-2kg","title":"Shark Obsidian Black Sand 2kg","description":"\u003cp\u003eShark Sand Obsidian Black is a striking black aquarium sand that creates strong contrast against plants, hardscape, and fish, giving your tank a sleek, dramatic finish.\u003c\/p\u003e\u003cp\u003ePart of the Shark Sand range of natural sands and gravels for everyday aquarium use, Obsidian Black is suitable for coldwater, tropical, and marine aquariums, and helps maintain stable pH. As with any natural product, expect some natural variation in colour and grain size from bag to bag.\u003c\/p\u003e\u003cp\u003eNot sure how much you need? Use our \u003ca href=\"https:\/\/byrkleyaquatics.co.uk\/substrate-calculator\"\u003esubstrate calculator\u003c\/a\u003e to work out the right amount for your tank size and preferred depth before you order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e Shark Sand Obsidian Black, 2kg bag, natural black aquarium sand, suitable for coldwater, tropical, and marine setups.\u003c\/p\u003e","brand":"Byrkley Aquatics","offers":[{"title":"Default Title","offer_id":53887449530706,"sku":"698147644531","price":4.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1066\/3437\/9602\/files\/rn-image_picker_lib_temp_eb204c71-df76-4a59-8a3a-18109392569f.jpg?v=1790173109","url":"https:\/\/byrkleyaquatics.co.uk\/products\/shark-obsidian-black-sand-2kg","provider":"Byrkley Aquatics","version":"1.0","type":"link"}