{"product_id":"black-seiryu-rock-20kg-box","title":"Black Seiryu Rock 20kg Box","description":"\u003cp\u003eBlack seiryu rock, sold by the 20kg box. Same grooved, contoured character as standard seiryu, in a darker tone — Bioscape list the colour range as light grey to grey, so expect variation rather than a uniform black.\u003c\/p\u003e\u003cp\u003eDark stone is the easier choice in a heavily planted tank. Green planting against grey rock can read as one flat mass; against dark stone the plants separate and the scape gains depth. It also does more with pale sand than grey rock does, which is the usual reason people go looking for a darker stone in the first place.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you order\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSizes and shapes are mixed and vary between boxes. A 20kg box will build the hardscape in a 90–120cm tank.\u003c\/p\u003e\u003cp\u003eBioscape's advice is to wash it thoroughly, which they say keeps any effect on pH minimal. With soft-water species, check your KH about a week after adding a large amount of any natural rock.\u003c\/p\u003e\u003cp\u003eScrub under running water before it goes in.\u003c\/p\u003e\u003cp\u003eThe rest of the hardscape range is in the \u003ca href=\"\/collections\/bioscape\"\u003eBioscape collection\u003c\/a\u003e, alongside our \u003ca href=\"\/collections\/fish-supplies\"\u003efish \u0026amp; aquarium supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/bioscape.com.au\/products\/substrates-hardscape\/\" rel=\"nofollow noopener\" target=\"_blank\"\u003eBioscape substrates \u0026amp; hardscape on the brand site\u003c\/a\u003e\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55909773377858,"sku":"BIOSCAPE505","price":130.19,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0563\/6676\/0120\/files\/7a916314770d4985a3e42c11b68acc1c.jpg?v=1793278562","url":"https:\/\/www.peekapaw.com.au\/products\/black-seiryu-rock-20kg-box","provider":"PeekAPaw Pet Supplies","version":"1.0","type":"link"}