Create a natural aquarium environment for your fish with Rainbow Biochemical Sponge Filter.
This sponge filter has an air lift system, and has an excellent filtering effect while oxygenating the water.
The unique foam material supports the development of beneficial bacteria colonies that will help in removing unwanted wastes and chemical residues in.
Quiet and efficient, the sponge filter is great for any tank!
Usage Guidelines:
Place the sponge filter into the aquarium and squeeze out any bubbles from the foam if it is floating.
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