Description --> description: 100% brand new, high quality Bubble stone is commonly known as diffusion stone (shatou), durable, well ventilated, filtered, widely used: aeration and sewage treatment plants Stir to prevent deposition of large particle deposits and remove some organic matter.
Aquarium (fish farm) eutrophic water increases oxygen into the environment, biological farming increases oxygen Live fish and seafood transport increase oxygen.
Aquarium (purifier) purification, filtration and ozone sterilization and aeration.
Other required air diffusion processes are used.
Main material: Arenaceous, Plastic color: blue Dimensions: 4cm long, 1.
5cm in diameter, 2.
5cm long note: Suitable for hoses with an inner diameter of 4mm.
Immerse it in water for 15 minutes before use.
There are no air bubbles in it, please replace the pump with higher power.
If it is installed on a submersible pump, it will not work properly.