{"product_id":"petworx-air-stones","title":"PetWorx Air stones","description":"\u003cp\u003ePetWorx ball air stones are sintered mineral and carborundum balls that release fine bubbles. The ball sits on the tank floor. Each one has a 4 mm nipple for standard airline.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFine bubbles across the surface of the ball\u003c\/li\u003e\n\u003cli\u003eSits on the bottom and resists the pull of the airline\u003c\/li\u003e\n\u003cli\u003e4 mm nipple for standard aquarium airline\u003c\/li\u003e\n\u003cli\u003eCan be cleaned and reused\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWater and system compatibility\u003c\/h3\u003e\n\u003cp\u003eFreshwater, brackish, and marine\/reef. \u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUse\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 inch\u003c\/td\u003e\n\u003ctd\u003eAbout 25 mm\u003c\/td\u003e\n\u003ctd\u003eSmall, breeding, hospital, and nano tanks. Low-output pumps, such as the PetWorx WXA-101 or WXA-102\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2 inch, medium-duty\u003c\/td\u003e\n\u003ctd\u003eAbout 50 mm\u003c\/td\u003e\n\u003ctd\u003eTropical community tanks, medium goldfish tanks, and small ponds. Mid-sized pumps, such as the PetWorx WXA-202\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50 mm heavy-duty\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003ctd\u003eDeep tanks, marine sumps, large fish systems, and hydroponic reservoirs. High-output air pumps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDirections\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eSoak the ball in aquarium water for 15 to 30 minutes before you connect it.\u003c\/li\u003e\n\u003cli\u003ePush 4 mm airline onto the nipple.\u003c\/li\u003e\n\u003cli\u003ePlace it on the tank floor, or bury it lightly in gravel or sand.\u003c\/li\u003e\n\u003cli\u003eIf the flow drops, soak it in a mild vinegar-and-water mix for a few hours, rinse it in fresh water, and put it back.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eAlways follow directions on product packaging.\u003c\/em\u003e\u003c\/p\u003e","brand":"PetWorx","offers":[{"title":"1 inch \/ 25mm","offer_id":56486225150257,"sku":null,"price":1.5,"currency_code":"AUD","in_stock":false},{"title":"2 inch \/ 50mm","offer_id":56486225183025,"sku":null,"price":2.5,"currency_code":"AUD","in_stock":false},{"title":"Ball - 50mm","offer_id":56486225215793,"sku":null,"price":4.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/6066\/3601\/files\/petworx_airstones_product.png?v=1790489237","url":"https:\/\/www.williamstownaquarium.com.au\/products\/petworx-air-stones","provider":"Williamstown Aquarium","version":"1.0","type":"link"}