Pond Air Stones for Hydroponics Airstones - Large 4 x 2 Inch Cylinder Aerator Bubble Diffuser, Humongous Oxygen Disc for Fish Tank, Aquariums, Koi Pond, Pump & Growing Systems (6-Pack)
All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
Stable and Submersible Design--Each cylinder measures 2" (D) x 4" (H) and weighs 0.66 lbs, ensuring it sinks effortlessly and stands firmly at the bottom of your tank for steady, consistent bubble output.
Universal Airline Compatibility--Fits standard 3/16-inch airline tubing, making it easy to connect to most air pump systems.
Optimized for High-Performance Air Pumps--For best results, use with a 10W+ high-output air pump or a commercial-grade pump. If bubble production seems low, upgrading to a more powerful pump will enhance performance.
Durable and Aqua-Safe Material--Made from washable silicon carbide, this airstone is sturdy, long-lasting, and safe for all aquatic life. Pre-use prep: Soak fully in water for 2 hours before first use. Maintenance: Clean regularly with a soft brush to prevent clogging over time.
Versatile Applications--Ideal for aquariums, hydroponic systems, koi ponds, and more—promoting healthier fish, stronger root growth, and extended nutrient solution life.