{"product_id":"large-4-pack-cylinder-aquarium-air-stones","title":"Large 4-Pack Cylinder Aquarium Air Stones","description":"\u003ch2\u003eWhy you'll love it\u003c\/h2\u003e\n\u003cp\u003eThese heavy-duty air stones create steady, powerful bubbles that keep your fish healthy and your water properly oxygenated. At 4\" x 2\" (10.2 x 5.1 cm), they're substantial enough to create excellent water circulation without breaking your budget.\u003c\/p\u003e\n\u003cem\u003eKeep reading for all the details.\u003c\/em\u003e\n\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eLooking for serious bubble power? These large cylinder air stones deliver consistent aeration for aquariums, fish tanks, koi ponds, and hydroponic systems. Each stone measures 4\" tall by 2\" in diameter (10.2 x 5.1 cm) and weighs 0.66 lbs (0.3 kg), so they sink right to the bottom and stay put. Made from durable silicon carbide that's completely fish-safe, they work with standard 3\/16\" airline tubing and need at least a 10W air pump to perform their best.\u003c\/p\u003e\n\u003cp\u003eThe porous material creates fine, even bubbles that boost oxygen levels and keep your aquatic friends happy. Whether you're running a freshwater tank, saltwater setup, or hydroponic garden, these stones help maintain healthy water conditions and promote better plant growth.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eInteresting Points\u003c\/h3\u003e\n\n\u003ch4\u003eHeavy-Duty Construction That Stays Put\u003c\/h4\u003e\n\u003cp\u003eAt 0.66 lbs each, these stones sink immediately and stand stable on your tank bottom—no floating or tipping over like lightweight alternatives.\u003c\/p\u003e\n\n\u003ch4\u003eProfessional-Grade Silicon Carbide Material\u003c\/h4\u003e\n\u003cp\u003eBuilt from washable silicon carbide that's completely safe for fish and plants, plus durable enough to handle months of continuous use.\u003c\/p\u003e\n\n\u003ch4\u003ePerfect Size for Serious Aeration\u003c\/h4\u003e\n\u003cp\u003eAt 4\" x 2\" (10.2 x 5.1 cm), these create substantial bubble coverage without taking over your tank—ideal for medium to large setups.\u003c\/p\u003e\n\n\u003ch4\u003eWorks With Standard Equipment\u003c\/h4\u003e\n\u003cp\u003eFits standard 3\/16\" airline tubing and works with any air pump rated 10W or higher for optimal bubble production.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDimensions: 4\" H x 2\" D (10.2 x 5.1 cm)\u003c\/li\u003e\n\u003cli\u003eWeight: 0.66 lbs (0.3 kg) each\u003c\/li\u003e\n\u003cli\u003eMaterial: Silicon carbide\u003c\/li\u003e\n\u003cli\u003eTubing compatibility: 3\/16\" standard airline\u003c\/li\u003e\n\u003cli\u003eMinimum air pump: 10W output\u003c\/li\u003e\n\u003cli\u003eQuantity: 4 air stones per pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUsage Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSoak completely in water for 2 hours before first use\u003c\/li\u003e\n\u003cli\u003eClean regularly with a brush to prevent clogging\u003c\/li\u003e\n\u003cli\u003eUse high-output air pump (10W minimum) for best results\u003c\/li\u003e\n\u003cli\u003eReplace when bubble output decreases significantly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Inclusion\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4 x large cylinder air stones (4\" x 2\")\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cstrong\u003eReady to upgrade your tank's aeration system? These professional-grade air stones deliver the consistent, powerful bubbles your fish deserve—and your wallet will appreciate the 4-pack value.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eShipping and Returns\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed Shipping:\u003c\/strong\u003e 2–4 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturns:\u003c\/strong\u003e \u003ca rel=\"noopener\" style=\"color: #2563eb; text-decoration: underline; font-weight: 600;\" href=\"https:\/\/www.tailrings.com\/blogs\/faqs\/shipping-and-returns#returns\" target=\"_blank\"\u003eReturns policy\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TailRings.com","offers":[{"title":"Grey","offer_id":51263981027613,"sku":"B0BM3RKWWS","price":47.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/8052\/4317\/files\/blue-cylinder-aquarium-air-stones-pack.jpg?v=1778295882","url":"https:\/\/www.tailrings.com\/products\/large-4-pack-cylinder-aquarium-air-stones","provider":"TailRings.com","version":"1.0","type":"link"}