Six Pack Large 4 By 2 Inch Round Air Stones For Aquarium And Hydroponics, Heavy Duty Bubble Diffuser For Fish Tanks, Koi Ponds, And Growing Systems, Fits Three Sixteenth Inch Airline Tubing
✔️ Six-pack, 2 in dia by 4 in tall, fits 3/16 in tubing, silicon carbide
These six-pack air stones are designed to deliver consistent aeration in aquariums, koi ponds, hydroponic systems, and growing setups. They sink and stay stable on the bottom for even bubble distribution and healthy oxygenation.
✅ 2 in diameter x 4 in height (50.8 mm x 101.6 mm); weight 0.66 lb each; heavy-duty diffuser stones
✅ Fits 3/16 in (4.76 mm) airline tubing
✅ Made from washable silicon carbide; safe for fish and plant roots
✅ Six-pack set for multi-tank or hydroponics
✅ Sinks to bottom for stable bubble output
✅ Requires high-output pump (≥10 W) for best results
💡 What is a heavy-duty air stone used for in aquarium and hydroponic setups?
It helps oxygenate water and distribute air evenly for healthy fish and roots.
- Improves dissolved oxygen levels for fish and beneficial bacteria
- Promotes uniform bubble output for stable aeration
- Durable silicon carbide reduces clogging and lasts longer