Aquarium Air Stone, Aquarium Air Stone, with Silent Control Valve, Super High CO2 Dissolved Oxygen Diffuser for Aquarium and Hydroponics (100 mm)

Silent Creating Small Dense Bubbles. This aquarium bubble stone can silently create a very dense cloud of small bubbles. If bubbles burst in the water, noise is reduced. Numerous small bubbles appear in the aquarium that create an iridescent curtain effect. Dual Oxygen Dissolution Rates. Ideal for adding oxygen to your hydroponic system. Increase oxygen content, lower CO2 and increase PH value. Easy to Use. Thanks to the suction cup, the air stone is firmly adsorbed on the tank. Durable, ideal for home, office, aquariums and hydroponic nutrient tanks. Adjustable. If you need a very dense cloud of small bubbles, please adjust the air pump by hand. The air volume of this nano-aquarium can be adjusted via the control valve. This aquarium stone kit includes a nano disc, a 100mm air disc, a control valve and 2 suction cups.