{"product_id":"bioscape-bioscape-mineral-airstone-3-pack-25mm","title":"Bioscape Mineral Airstone 3 Pack 25mm","description":"\u003cp\u003e\u003cstrong\u003eFiner bubbles, better oxygen exchange, with two spares already on the card.\u003c\/strong\u003e The Bioscape Mineral Airstone 25mm 3 Pack uses a mineral diffuser stone to break pump air into a fine, even bubble curtain, lifting surface agitation and oxygen exchange in freshwater and marine tanks. Because it comes three to a card, a clogged stone can be swapped out immediately rather than waiting on a reorder.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine, even bubble curtain\u003c\/strong\u003e — the mineral stone structure produces a finer mist than a plain plastic diffuser, for better gas exchange from the same pump output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree to a card\u003c\/strong\u003e — fit one, keep two in reserve for when the first clogs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh or marine\u003c\/strong\u003e — the mineral material doesn't react with saltwater, so the same stone works in either setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRuns off any standard air pump\u003c\/strong\u003e — no proprietary fitting or driver required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003cth\u003eRequires (not included)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003ctd\u003eAir pump, airline tubing, check valve\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich airstone do I need?\u003c\/h3\u003e\u003cp\u003eBioscape's mineral airstone range covers three shapes. This 25 mm stone is the general-purpose option — a standard cylindrical shape with two spares included for when the first one clogs.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eAirstone\u003c\/th\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMineral Airstone 25mm 3 Pack\u003c\/td\u003e\n\u003ctd\u003eStandard cylindrical, 25 mm\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eGeneral-purpose aeration with spares on hand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRound Airstone 30x30mm\u003c\/td\u003e\n\u003ctd\u003eRound, 30 x 30 mm\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eA wider bubble column for larger tanks or a feature aeration spot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlim Airstones Carded 3 Pack\u003c\/td\u003e\n\u003ctd\u003eSlim profile\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eTight spaces behind hardscape, filter intakes or planted aquascapes\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 adding surface agitation and gas exchange to freshwater and marine aquariums running any standard air pump. Not a substitute for mechanical or biological filtration, and not useful on its own — it needs a pump to move air through it.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eMineral airstones clog gradually as mineral deposits and biofilm build up inside the stone, and the bubble stream coarsens as that happens. Bioscape doesn't publish a fixed replacement interval — swap the stone when the bubbles turn coarse or uneven rather than on a set schedule, which is why this comes as a three-pack rather than a single stone.\u003c\/p\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cp\u003eNeeds an air pump sized to your tank and how many stones or ornaments it runs, plus airline tubing to connect them. A check valve fitted in the line stops water siphoning back into the pump during a power cut, and is worth adding on any submerged airstone.\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\u003eWill this work in a saltwater tank?\u003c\/h4\u003e\u003cp\u003eYes. The mineral stone doesn't react with saltwater, so the same airstone suits freshwater and marine setups.\u003c\/p\u003e\u003ch4\u003eWhat tubing do I need?\u003c\/h4\u003e\u003cp\u003eStandard aquarium airline tubing, push-fit onto the stone's barb.\u003c\/p\u003e\u003ch4\u003eDo I need anything else to run it?\u003c\/h4\u003e\u003cp\u003eYes — an air pump and airline tubing are required and not included. A check valve is recommended to protect the pump.\u003c\/p\u003e\u003ch4\u003eHow do I know when to replace it?\u003c\/h4\u003e\u003cp\u003eWhen the bubble stream turns coarse or uneven instead of a fine mist. Fit one of the two spares on the card when that happens.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774337896739,"sku":"BIS127","price":4.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-mineral-airstone-3-pack-25mm-595555.webp?v=1790230840","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/bioscape-bioscape-mineral-airstone-3-pack-25mm","provider":"Nicks AOT","version":"1.0","type":"link"}