--- product_id: 504788756 title: "Large Air Stone, Air Stone Hydroponics, 4 x 2 Inch Large Air Stone Cylinder Bubble Diffuser for Aquarium, Fish Tank, Pond and Hydroponics Air Pump, Growing System, Circulation" price: "₨1303" currency: SCR in_stock: true reviews_count: 9 url: https://www.desertcart.sc/products/504788756-large-air-stone-air-stone-hydroponics-4-x-2-inch store_origin: SC region: Seychelles --- # Fits 3/16 inch airline tubing 4 x 2 inch large size 0.66 lbs stable weight Large Air Stone, Air Stone Hydroponics, 4 x 2 Inch Large Air Stone Cylinder Bubble Diffuser for Aquarium, Fish Tank, Pond and Hydroponics Air Pump, Growing System, Circulation **Price:** ₨1303 **Availability:** ✅ In Stock ## Summary > 💧 Elevate your aquatic ecosystem with bubbles that mean business! ## Quick Answers - **What is this?** Large Air Stone, Air Stone Hydroponics, 4 x 2 Inch Large Air Stone Cylinder Bubble Diffuser for Aquarium, Fish Tank, Pond and Hydroponics Air Pump, Growing System, Circulation - **How much does it cost?** ₨1303 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/504788756-large-air-stone-air-stone-hydroponics-4-x-2-inch) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Steady Oxygen Flow:** Large 4x2 inch size ensures consistent, powerful bubble diffusion for healthier aquatic life. - • **Rock-Solid Stability:** Weighted 0.66 lbs to sink and stay perfectly positioned—no drifting, no fuss. - • **Durable & Safe Material:** Made from washable silicon carbide—non-toxic and built to last, promoting vibrant fish and plant growth. - • **Universal Compatibility:** Designed for standard 3/16 inch airline tubing, fits seamlessly with most air pumps. - • **Versatile Hydroponics & Aquatics:** Perfect for aquariums, koi ponds, and hydroponic systems to boost oxygenation and nutrient circulation. ## Overview This Large Air Stone is a 4 x 2 inch cylinder diffuser weighing 0.66 lbs, crafted from durable silicon carbide. It fits standard 3/16 inch airline tubing and requires a high-output air pump (10W+) to deliver steady, oxygen-rich bubbles. Ideal for aquariums, koi ponds, and hydroponic systems, it enhances water circulation and supports healthy fish and plant growth. ## Description desertcart.com : COOMATEC 6-Pack Large Air Stones, Humongous 4 x 2 Inch Round Aerator Stones for Aquarium, Hydroponics, Fish Tank, Koi Pond, Cylinder Bubble Aerator Diffuser for Pump, Growing System : Pet Supplies Review: Great for fish ponds - They work very well in my fish pond out front Review: Excellent product - Excellent for big aquariums, 55 gallons or bigger. I use two of them in 55 gallon drums for gold fish and use the water for my plants. They are fantastic is producing water movement and oxygen for the fish. They also do not get plugged up easily. They would be great in ponds too. ## Features - -Stable in Water: Each aerator stone measures 2" D x 4" H and weighs 0.66 lbs. It can easily sink to the bottom and stand stably in your tank for steady bubbles. - -Fits for 3/ 16 inch standard airline tubing. - -Recommended a high-output air pump at least 10W or a commercial air pump.If you feel that there are fewer bubbles, you can try using a high-power air pump, which will have a good effect - -Reliable Material: Made from washable silicon carbide. The material is sturdy , it causes no effect on the health of your aquatics. Help keep fish or roots growing healthily.（ Soak the aerator stones completely in water for 10 minutes before use; Clean it regularly with a brush as they get clogged after weeks or months of usage）. - -Widely Applicable: Fit for hydroponic systems, koi ponds, aquariums or fish tanks, and other systems, helping extend the life of your nutrient solution, keep fish/ roots healthy and promote plant growth. ## Images ![Large Air Stone, Air Stone Hydroponics, 4 x 2 Inch Large Air Stone Cylinder Bubble Diffuser for Aquarium, Fish Tank, Pond and Hydroponics Air Pump, Growing System, Circulation - Image 1](https://m.media-amazon.com/images/I/71wFp4hN4sL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great for fish ponds *by T***N on January 14, 2026* They work very well in my fish pond out front ### ⭐⭐⭐⭐⭐ Excellent product *by C***R on August 9, 2026* Excellent for big aquariums, 55 gallons or bigger. I use two of them in 55 gallon drums for gold fish and use the water for my plants. They are fantastic is producing water movement and oxygen for the fish. They also do not get plugged up easily. They would be great in ponds too. ### ⭐⭐⭐⭐⭐ Lots of air *by K***H on June 13, 2026* Great air stones for my reservoir ## Frequently Bought Together - COOMATEC 6-Pack Large Air Stones, Humongous 4 x 2 Inch Round Air for Aquarium, Hydroponics, Fish Tank, Koi Pond, Cylinder Bubble Diffuser for Pump, Growing System - AquaMiracle Aquarium Air Pump - 600/1000/1200/1750GPH, 18W/35W/58W/120W Air Pump for Fish Tank, Hydroponic & Pond Aerator - Penn-Plax Standard Airline Tubing for Aquariums – Clear and Flexible – Resists Kinking – Safe for Freshwater and Saltwater Fish Tanks – 25 Feet --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sc/products/504788756-large-air-stone-air-stone-hydroponics-4-x-2-inch](https://www.desertcart.sc/products/504788756-large-air-stone-air-stone-hydroponics-4-x-2-inch) --- *Product available on Desertcart Seychelles* *Store origin: SC* *Last updated: 2026-09-17*