Up Aqua Air Stone – 4
-Used to increase dissolved oxygen
-Maintains water quality and ecology of the fish tank
-Facilitates mass reproduction of nitrifying bacteria
-10 cm air stone can be used with general 3W small air pump
The Crab Aqua Air Stone is a durable air stone that diffuses a thick wall of bubbles, creating dazzling underwater scenes. It increases aeration in your aquarium, and helps release carbon dioxide buildup and fits standard airline tubing.