{"product_id":"bioscape-pastel-bronze-fine-1-2mm","title":"Bioscape Pastel Bronze Fine 1-2mm","description":"\u003cp\u003e\u003cstrong\u003eA fine bronze-toned gravel for a natural, sand-like aquascape base.\u003c\/strong\u003e Bioscape Pastel Bronze Fine is a 1-2 mm inert substrate in soft bronze tones, close enough to sand-fine that corydoras and other substrate-sifting fish can work through it comfortably. Sold in 3 kg and 7 kg bags.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInert\u003c\/strong\u003e — won't shift pH or KH, so it drops into any water chemistry as a purely decorative base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine 1-2 mm grain\u003c\/strong\u003e — closer to sand than Bioscape's Coarse 2-4 mm grade, giving bottom-dwelling and substrate-sifting species a softer surface to work through.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarm bronze tone\u003c\/strong\u003e — a soft, natural colour that reads well in both planted freshwater aquascapes and marine display tanks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh and marine safe\u003c\/strong\u003e — the same bag suits freshwater, brackish and marine setups.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eGrain size\u003c\/th\u003e\n\u003cth\u003eColour\u003c\/th\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003cth\u003eBag sizes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eFine, 1-2 mm\u003c\/td\u003e\n\u003ctd\u003ePastel bronze\u003c\/td\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003ctd\u003e3 kg, 7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich grade do I need?\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003ePastel Bronze Fine (this bag)\u003c\/th\u003e\n\u003cth\u003ePastel Bronze Coarse\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrain size\u003c\/td\u003e\n\u003ctd\u003e1-2 mm\u003c\/td\u003e\n\u003ctd\u003e2-4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eCorydoras and other substrate-sifters, a sand-like finish\u003c\/td\u003e\n\u003ctd\u003eOpen-bottom layouts, better flow-through for root tabs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for planted community tanks, corydoras and other species that sift or dig through fine substrate, and marine or brackish tanks wanting a soft bronze base. Not the best pick where you specifically want water and root-tab nutrients to flow through the substrate bed — the Coarse 2-4 mm grade packs less tightly for that.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eRinse thoroughly under running water before adding it to the tank — fine grades carry more dust than coarse gravel, so expect to rinse until the water runs close to clear. Being inert, it won't need replacing on a schedule.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered against manufacturing defects under Bioscape's warranty, in addition to your rights under Australian Consumer Law. Ships by standard parcel post.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eIs this substrate safe for corydoras and other fish that dig?\u003c\/h4\u003e\u003cp\u003eYes — the 1-2 mm fine grain is close enough to sand that substrate-sifting species can work through it without the sharp edges a coarser gravel can have.\u003c\/p\u003e\u003ch4\u003eWill it cloud my water when I add it?\u003c\/h4\u003e\u003cp\u003eRinse it well first and it shouldn't. Fine grades hold more dust than coarse gravel, so a thorough rinse under running water before adding it matters more here than with the Coarse grade.\u003c\/p\u003e\u003ch4\u003eCan I mix it with the Coarse grade?\u003c\/h4\u003e\u003cp\u003eYes, both are the same inert bronze-toned material at different grain sizes, so they can be layered or blended in the same tank.\u003c\/p\u003e\u003ch4\u003eHow much do I need for my tank?\u003c\/h4\u003e\u003cp\u003eBioscape doesn't publish a coverage figure for this bag. Buy based on your tank's footprint and desired depth, and add a second bag if you need more — it's easy to top up gradually.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"3 kg","offer_id":55249197826339,"sku":null,"price":16.95,"currency_code":"AUD","in_stock":true},{"title":"7 kg","offer_id":55249197859107,"sku":"BIS88","price":34.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/BIS83_1.jpg?v=1772087736","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/bioscape-pastel-bronze-fine-1-2mm","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}