{"product_id":"crushed-coral-shell-sand-white-3-4mm-15kg","title":"Crushed Coral 3-4mm Aquarium Gravel 15Kg","description":"\u003cp\u003eCrushed Coral 3-4mm is a premium, naturally sourced substrate that does more than just look beautiful — it actively buffers your aquarium water, raising and stabilising pH levels to create the ideal environment for African cichlids, marine fish, and other hard water species. Its bright, natural white tones add a clean, reef-inspired aesthetic to any tank.\u003c\/p\u003e\u003ch2\u003eFurther Information\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Crushed coral substrate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrain Size:\u003c\/strong\u003e 3–4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Natural white \/ cream\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest For:\u003c\/strong\u003e African cichlid tanks, marine aquariums, hard water species, pH buffering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Effect:\u003c\/strong\u003e Raises and stabilises pH — ideal for tanks requiring pH 7.5–8.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlacement:\u003c\/strong\u003e Full tank base layer (recommended depth: 3–5cm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkill Level:\u003c\/strong\u003e Beginner to Advanced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Rinse thoroughly before use. Monitor water parameters after adding.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow Much Do I Need?\u003c\/h2\u003e\u003cp\u003e\u003cem\u003eStandard tanks — guide only, tank footprint will determine quantity required:\u003c\/em\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e60L tank\u003c\/strong\u003e → ~8kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120L tank\u003c\/strong\u003e → ~15kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e200L tank\u003c\/strong\u003e → ~25kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003ePlanted tanks — we recommend a minimum of 2\" (5cm) of substrate depth for healthy root development. Double the quantities above as a starting guide. Note: crushed coral will raise pH and may not suit all plant species.\u003c\/em\u003e\u003c\/p\u003e","brand":"Chloe's Aquatic Centre","offers":[{"title":"Default Title","offer_id":53701402657090,"sku":null,"price":59.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0889\/0128\/8258\/files\/IMG-1304.webp?v=1779420951","url":"https:\/\/chloesaquaticcentre.com.au\/products\/crushed-coral-shell-sand-white-3-4mm-15kg","provider":"Chloe's Aquatic Centre","version":"1.0","type":"link"}