{"product_id":"orca-small-air-stone","title":"Orca Small Air Stone","description":"\u003cp\u003e\u003cstrong\u003eFine bubbles add oxygen without a new pump.\u003c\/strong\u003e This Orca small air stone connects to standard 4 mm airline tubing and breaks the air from your pump into a stream of fine bubbles, increasing surface agitation and gas exchange in the tank.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine-bubble diffusion\u003c\/strong\u003e — breaks pump air into small bubbles for better gas exchange than a bare tube.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard airline fitting\u003c\/strong\u003e — connects directly to 4 mm aquarium airline tubing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdds gentle water movement\u003c\/strong\u003e — useful in corners or low-flow areas a filter outlet doesn't reach.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow cost to run\u003c\/strong\u003e — driven by your existing air pump, with no separate power draw of its own.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eAA3626\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eAir stone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubing fit\u003c\/td\u003e\n\u003ctd\u003eStandard 4 mm aquarium airline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater type\u003c\/td\u003e\n\u003ctd\u003eFresh and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for adding surface movement and gas exchange in fresh or marine aquariums, sponge filter builds, and hospital or quarantine tanks.\u003c\/p\u003e\n\u003cp\u003eNot suitable as a replacement for a filter or a protein skimmer — an air stone adds gas exchange and movement, it doesn't filter or mechanically clean the water. In a reef tank, check the bubble stream doesn't drive off CO2 you're dosing for, or disturb livestock sensitive to strong water movement.\u003c\/p\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eAir stones clog with mineral deposits and biofilm over time, which shows up as larger, fewer bubbles instead of a fine stream. Replace it at that point rather than trying to clean it — a clogged stone is cheaper to replace than to restore.\u003c\/p\u003e\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/orca-air-line-gate-green\"\u003eOrca Air Line Gate Green\u003c\/a\u003e — throttle the bubble stream if it's stronger than you want.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/orca-air-line-t-white\"\u003eOrca Air Line T White\u003c\/a\u003e — run this air stone alongside a second outlet from the same pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-bioscape-tropic-air-pump-500-single-wcheck-valve\"\u003eBioscape Tropic Air Pump 500 Single w\/Check Valve\u003c\/a\u003e — the pump that drives this air stone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eThis is a small consumable and isn't covered by a separate manufacturer warranty; your rights under Australian Consumer Law apply regardless. It ships as a standard parcel item.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWhat size airline does it fit?\u003c\/h4\u003e\n\u003cp\u003eStandard 4 mm aquarium airline tubing.\u003c\/p\u003e\n\u003ch4\u003eHow do I know when to replace it?\u003c\/h4\u003e\n\u003cp\u003eWhen the bubbles get larger and less frequent instead of a fine, steady stream, even after checking the airline for kinks.\u003c\/p\u003e\n\u003ch4\u003eCan I use it in a saltwater tank?\u003c\/h4\u003e\n\u003cp\u003eYes, it's suitable for both freshwater and marine systems.\u003c\/p\u003e\n\u003ch4\u003eDoes it filter the water?\u003c\/h4\u003e\n\u003cp\u003eNo — it adds gas exchange and gentle movement only. Use a filter or skimmer for mechanical and biological filtration.\u003c\/p\u003e","brand":"Orca","offers":[{"title":"Default Title","offer_id":55242242261283,"sku":"AA3626","price":1.95,"currency_code":"AUD","in_stock":true}],"url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/orca-small-air-stone","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}