super biochemical aquarium sponge filter for item (pk200),
1. brand new and high quality
2. comes with multilayer structure which provides larger surface area without any blocking.
3. it can increase the oxygen solubility
4. easy to clean with best permeability
5. reduce noise from air pump and consumes lowest wattage
Hints for sucessful operation:
1. soak the sponge in the aquarium water for five minutes before use will help nitrifying bateria colonise easier .
2. always use aquarium water to rinse clean the sponge ,never use hot water.
7) fit for 200L containers