{"product_id":"mini-lava-rock-2-5kg","title":"Mini Lava Rock 2.5kg","description":"\u003ch2\u003eMini Lava Rock 2.5kg\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMini Lava Rock\u003c\/strong\u003e is a natural volcanic rock aquarium substrate for freshwater and planted tanks. It suits aquarists who want a natural-looking base layer that also gives beneficial bacteria plenty of surface to colonise and plant roots something to anchor into.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade from 100% natural lava rock, so it is a natural substrate choice for all freshwater and planted aquariums.\u003c\/li\u003e\n\u003cli\u003eThe porous structure of lava rock gives beneficial bacteria excellent surface area to settle on, which helps maintain stable, healthy water conditions.\u003c\/li\u003e\n\u003cli\u003eSupports planted tanks by encouraging strong root development and nutrient circulation around the roots.\u003c\/li\u003e\n\u003cli\u003eThe natural volcanic look adds character to a tank and helps an aquascape stand out.\u003c\/li\u003e\n\u003cli\u003eLow maintenance: it will not alter water chemistry and is easy to clean.\u003c\/li\u003e\n\u003cli\u003eTwo grain sizes let you match the substrate to your layout, from fine and delicate to bold and coarse.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Use\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRinse the lava rock thoroughly before adding it to your aquarium.\u003c\/li\u003e\n\u003cli\u003eSpread it evenly across the tank bottom to form a functional, attractive substrate layer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFreshwater aquariums of all kinds.\u003c\/li\u003e\n\u003cli\u003ePlanted tanks and detailed aquascapes.\u003c\/li\u003e\n\u003cli\u003eNano to medium-sized aquariums. Each bag holds enough substrate for tanks in this range.\u003c\/li\u003e\n\u003cli\u003eNatural riverbed-style layouts (finer grain) and bold, open layouts (coarser grain).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eChoosing a Grain Size\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3–5 mm:\u003c\/strong\u003e a fine grain, ideal for delicate aquascapes, planted tanks and a natural riverbed look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12–15 mm:\u003c\/strong\u003e a coarser grain, well suited to bold layouts, improved water flow and colonisation by beneficial bacteria.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: 100% natural lava rock (volcanic rock)\u003c\/li\u003e\n\u003cli\u003eBag weight: 2.5 kg (5.5 lb)\u003c\/li\u003e\n\u003cli\u003eBag dimensions: 24 x 30 x 6 cm (9.4 x 11.8 x 2.4\")\u003c\/li\u003e\n\u003cli\u003eWater chemistry: will not alter water chemistry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAvailable in two grain sizes: 3–5 mm and 12–15 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne bag of natural mini lava rock substrate, measuring 24 x 30 x 6 cm (9.4 x 11.8 x 2.4\")\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to rinse the lava rock before using it?\u003c\/strong\u003e\u003cbr\u003e\nYes. Rinse it thoroughly before adding it to your aquarium, then spread it evenly over the tank bottom.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill lava rock change my water parameters?\u003c\/strong\u003e\u003cbr\u003e\nNo. This substrate will not alter water chemistry, so it is a low-maintenance choice for freshwater setups, including those with the harder or softer tap water found in different parts of South Africa.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich grain size should I choose, 3–5 mm or 12–15 mm?\u003c\/strong\u003e\u003cbr\u003e\nChoose 3–5 mm for fine, delicate aquascapes, planted tanks and a natural riverbed look. Choose 12–15 mm for bolder layouts, improved water flow and more space for beneficial bacteria to colonise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it good for planted aquariums?\u003c\/strong\u003e\u003cbr\u003e\nYes. It is described as excellent for planted tanks, where it encourages strong root development and nutrient circulation. It is also safe for all freshwater and planted tanks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size tank does one bag suit?\u003c\/strong\u003e\u003cbr\u003e\nEach bag holds enough substrate for nano to medium-sized aquariums. The amount you need will depend on your tank and the layout you want.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the porous structure matter?\u003c\/strong\u003e\u003cbr\u003e\nThe porous surface of lava rock gives beneficial bacteria excellent surface area to colonise. This helps keep water conditions stable and healthy.\u003c\/p\u003e","brand":"RSK REEF","offers":[{"title":"3.5mm","offer_id":48906690887988,"sku":"18465","price":135.0,"currency_code":"ZAR","in_stock":true},{"title":"12-15mm","offer_id":48906690920756,"sku":"18466","price":135.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0151\/9016\/3510\/files\/mini-lava-rock-2-5kg-natural-volcanic-substrate-for-aquariums-daya-aquatics.jpg?v=1758871587","url":"https:\/\/jungleaquatics.com\/products\/mini-lava-rock-2-5kg","provider":"Jungle Aquatics Pet Store","version":"1.0","type":"link"}