Probably is such a big cylinder, the left is 16 open book, fish tank is 30 cm high, mouth diameter is 18 cm, pump small, may be 2W? Fish is 3, the kind of carp, in this condition, about how long will the oxygen pump open?
Under normal circumstances should often open, if you change the water frequency is higher (such as one day for a change), you can appropriately reduce the oxygen pump working hours.
The aquarium is usually open because the fish tank is small
1. The three in one pump with filter and oxygen must always be on2 、 the skin bowl type air pump can not be opened without oxygen3, for anti gas lift, water demon skin bowl type pump, the best has been open4, leather bowl type air pump generally on the 3W power, 14 genius once electricity, if not noisy, long open no harm.
