【Produces Small Dense Bubbles Quietly】The aquarium air stone kit could help refine the air output from the air pump into granular bubbles, just like the atomization effect. When the bubbles burst into the water, the sound is quieter. Create lots of thin bubbles in a fish tank, making a dazzling curtain effect. 【Raise Oxygen Level】Compared with ordinary bubble stones, our small aquarium stones can emit more bubbles and dissolve more oxygen, which are ideal for adding oxygen to your hydroponic growth system, raising oxygen and PH levels, and reducing carbon dioxide. 【Easy to Use】The air bubbler for aquarium comes with suckers that could be stuck firmly to the tank, convenient for use. It is ideal for fish tanks, aquariums and hydroponic nutrition tanks in homes, offices and more. 【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 bubbler can be adjusted by the control valve. 【Trustworthy Material】This kind of bubble stone for aquariums is mainly made of nano stone with fine workmanship, which is sintered by high temperature; Therefore, it is sturdy and reliable for long term use. Easy to maintain, clean the stone once a month to prevent clogging.