{"product_id":"coomatec-12-pack-large-air-stones-4-2-inch-cylinder-diffuser-for-aquarium-hydroponics","title":"COOMATEC 12-Pack Large Air Stones — 4×2-Inch Cylinder Diffuser for Aquarium \u0026 Hydroponics","description":"\u003cp\u003eMeet the COOMATEC 12-pack Large Air Stones, featuring 4x2-inch cylindrical diffuser stones designed to sink and stay put for reliable aeration. The robust silicon carbide construction delivers long-lasting performance while remaining gentle on aquatic life. These stones are designed to work with standard 3\/16 inch airline tubing, making it easy to upgrade your system without replacing hoses.\u003c\/p\u003e\u003cp\u003eWhat makes these aerators stand out is the combination of stability and diffusion. When placed at the bottom of a tank or growing bed, the stones tend to sink and stand upright, helping create evenly distributed bubbles across the water column. In aquariums, steady bubbles can promote surface agitation and oxygen exchange; in hydroponic systems, they can drive nutrient-rich air into the roots and medium, supporting vigorous growth.\u003c\/p\u003e\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStable sinking design with a 2 inch diameter by 4 inch height, weighing about 0.66 pounds, giving you reliable placement in water.\u003c\/li\u003e\n\u003cli\u003eCompatibility with 3\/16 inch tubing keeps your current setup intact and reduces extra purchases.\u003c\/li\u003e\n\u003cli\u003eHigh-output air pumps (10W or higher) or commercial pumps are recommended for fuller diffusion; if bubbles seem sparse, consider upgrading the pump.\u003c\/li\u003e\n\u003cli\u003eDurable silicon carbide construction resists wear and is easy to soak and clean; soaking for two hours before first use helps performance, and periodic cleaning with a brush prevents clogging.\u003c\/li\u003e\n\u003cli\u003eBroad applicability across aquariums, hydroponic grows, koi ponds, and other systems, potentially extending nutrient solution efficiency and supporting plant growth and healthy roots.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUsage tips and care\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSoak the aerator stones completely in water for two hours before installation to maximize initial diffusion.\u003c\/li\u003e\n\u003cli\u003eRinse and brush regularly as mineral buildup can reduce bubble production over time.\u003c\/li\u003e\n\u003cli\u003ePosition the stones to balance water flow and avoid obstructing filters or pumps in compact setups.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCOOMATEC aims to provide dependable tools for hobbyists and professionals alike. While performance can vary with pump power, tubing length, and tank size, these aerators offer a solid foundation for bubbling action and system diffusion that you can adjust to your needs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included in the COOMATEC 12-pack Large Air Stones set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A 12-pack of 4x2-inch cylindrical aerator stones designed to sink easily and diffuse bubbles; compatible with 3\/16-inch tubing; soak before use and clean periodically to prevent clogs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What setups can benefit from these air stones?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Suitable for aquariums, hydroponics, koi ponds, or growing systems; offers stable bubble diffusion to support healthy roots and aquatic life.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"COOMATEC","offers":[{"title":"Default Title","offer_id":57205976891769,"sku":"B0BM3HWFKB","price":45.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8934\/1049\/files\/coomatec-12pack-large-air-stones-4x2-inch-round-diffuser.jpg?v=1777837979","url":"https:\/\/petlyvox.com\/products\/coomatec-12-pack-large-air-stones-4-2-inch-cylinder-diffuser-for-aquarium-hydroponics","provider":"petlyvox","version":"1.0","type":"link"}