An Air Stone, whose purpose is to gradually diffuse air into the tank and provide oxygen for fish to breathe, is a necessity to have around your Biofloc Fish Farming Tank, Pond Aeration and aquarium. It’s also a must have for Hydroponic and Circulation system. GRAND Air Stones are made of high quality non-toxic mineral material, with high temperature sintering, stones are sturdy and durable, have high dissolved oxygen rate and create even and tiny bubbles rather than a limited number of large ones. BEFORE USE: You have to soak it in water for about 6 (SIX) hours before connecting to an Air Pump. Package Contain: 6 pc X 4 Inch Cylinder Air Stone with Brass Nozzle suitable for 15,000 Ltr Biofloc Tank.
| Brand | Generic |
| Colour | Black |
| Material | brass |
| Item Weight | 400 Grams |
| Number of Pieces | 6 |
| Target Species | Fish |
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