【Quietly produces small dense bubbles】This aquarium bubble stone can quietly produce a very dense cloud of small bubbles. When the bubbles burst in the water, the sound is reduced. Many small bubbles are produced in the aquarium, providing a dazzling curtain effect.

【Double oxygen dissolution rate】Ideal for adding oxygen to your hydroponic system. Increase oxygen levels, reduce CO2 and increase PH.

【Easy to use】2 With the suction cup, the air stone is firmly adsorbed on the tank. Durable, ideal for home, office, aquariums, fish tanks and hydroponics.

【Adjustable】If you need a very dense cloud of small bubbles, adjust the air pump by hand. The air volume in this nano aquarium can be adjusted via the control valve.

【Buy 1 and get 3 free accessories】This amazing aquarium stone kit includes a nano disc, a 60mm air hose, a control valve and 2 suction cups. Suitable for 11-58 liter aquariums and 1.5-3W air pumps.