ViaAqua 2"x 4" Cylinder Round Air Stone Diffuser Oxygen Hydroponics Aquarium Water Tank (4PC)

Round Air Stone Discs are great to put at the bottom of your reservoir for aeration. It is designed to add oxygen and circulate nutrition to your hydroponic growing system or aquarium. It extends the life of your nutrient solution to help keep fish & roots healthy, and hence promote plant growth. This Large Cylinder Stone accelerates oxygen replenishment and increases water circulation when used with a high-output air pump. The 4-inch O2 cylinder stone has a 2-inch diameter and is compatible with 3/16-inch-ID tubing. Run with >/ 5W air pump, 2.5 L/min (40GPH) flow rate per air stone. Shape: Cylinder 2" Diameter . Dimension approx. / (inch): 2" outside diameter x 4" H. Weight approx. / ea :11.62 oz.

• Use in: Hydroponic systems, ponds, aquariums, fish tanks, and reservoir.
• Ideal for Pond, Freshwater, and Marine environments.
• Aerates and adds oxygen to the water.
• Helps to maintain an even water temperature.
• Produce fine bubbles for oxygen replacement and lowering CO2 level