AZOO OXYGEN PLUS BIO-FILTER
For guppy, discus, dwarf cichlid, fish fry and marine fish
are interconnected. It is easy to cultivate high-density nitrifying bacteria
for a long time.
filtering and best for the growth of nitrate bacteria.
minute bubbles, increases dissolved oxygen and make no noise when operating.
spawning of discus, dwarf cichlid, guppy and egg-laying tooth carp.