What flow of fish tank pump can use duckbill to increase oxygen?
1, the size of the fish tank oxygen pump depends on the size of the fish tank. A fish tank with a length less than 50 cm is suitable for a 3w oxygen pump. 50- 100 cm long fish tank is suitable for 5w oxygen cylinder. A fish tank with a length of 100-200 cm is suitable for an 8w oxygen pump.