Hệ thống lọc nước hồ cá Koi
- Mã số: KOK
- Giá : Liên Hệ
About Biological filtration
About Nitrogen Cycle
way to remove ammonia and break down into nitrites. Nitrites will then be
transformed to nitrates which are required for the growth of aquatic plants.
It can be done by using naturally occurring bacteria and offering a place
amount of oxygen and food.