Bio-filter WF-Series Aquarium WaterFall Hang On Filter Chemical If you have difficulty discerning

If you have difficulty discerning the color after the first drop of test solution is added

and help to prevent fish disease

Black Worms are a Naturally Occurring aquatic worm that is commercially cultivated and then dried in a way which retains all their goodness

Desirable Form Possible Without Live Foods Marvelous growth of pronounced head

Flow rate: 106 GPH (400L/hr)

Bio-filter WF-Series Aquarium WaterFall Hang On Filter Chemical If you have difficulty discerningBoyu WF Series Hong on Filter design. water pumping, water circulation and water filtering 3 in 1. compact structure, beautiful aspect, simple assembly, and easy operation. 2. The filter contains multilayer biochemical filter system, which combines the latest decomposing technology of physics and biology. it is most suitable for cultivating good nitrobacteria, improving filter effect, and keeping the water crystal clear. 3. Waterfall type stream