【Produces Small Dense Bubbles Quietly】 This aquarium air bubble stone which can create a very dense cloud of small bubbles quietly. when the bubbles burst into the water, the sound is quieter. Create lots of thin bubbles in fish tank, make dazzling curtain effect.

【Double Oxygen Dissolving Rate】Great to add oxygen to your hydroponics growing system, Increase oxygen levels, lower CO2 and raise PH.
【Easy to Use】2 Suction cup makes the air stone adsorbed on the tank firmly. Durable, great for home, office fish tank, aquarium and hydroponics nutrient tanks.

【Adjustable】If You Need the Very Dense Cloud of Small Bubbles, Please Adjust the Air Pump by Hand.The air volume of this nano aquarium bubbler can be adjusted by the control valve.