Xinyou XY-2831 Bio Sponge Filter (Tube)
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- Designed and constrcuted with quality materials, multilayer principle and the largest surface area possible with no clogging.
- Sponge material is easy to clean.
- Filters are diesnged and contructed for quiet operation.
- Air diffusion chamber produces minute and large number of air bubbles which increases the oxygen solubility in water.
- Before using, soak the sponge in the aquarium water for five minutes to increase nitrobacterias formation.
- Rise/clean the sponge using aquarium water instead of hot/warm water.