Description

High efficiency sponge filer

Use air pump or water to create water current in order to get the effect of filtering and to cultivate nitro bacteria
Adopt precise bio-sponge with an enormous surface area
Can absorb all dirty substances and cultivate nitro bacteria, which are responsible for the quick decomposition for harmful substances
Ideal for breed of discus, dwarf cichlid, guppy, killifish etc
Can help filtering in any tank or naked sand (absence of sand)