Description
6.25 Inch by 5 Inch Bio Sponge (16cm Tall x 13cm Diameter) Bio Sponge, Bio Filter operated by a airpump will mechanically clean & biologically filter a aquarium. Bio Sponge Filters are a easy way to clean an aquarium, massive surface area allow bacteria to colonize and the sponge acts as a mechanical filter, just uses air to operate, so needs an air pump to operate. Weighted base and uplift tube included.
Tip – When cleaning use the aquarium water to not kill off the friendly bacteria.
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