Reviews: Hydra Sponge Filter (30 gallon)

Product Information

This foam filter provides both mechanical and biological filtration for aquariums up to 30 gallons.

$7.55

Great filter 5

By Melanie on June 23, 2020

Using these on outdoor tubs and they are great. Bins are about 20 gallons. The filter is easy to assemble, just feed air hose through clear tube. Push air tobe onto nozzle in center of sponge filter. Plug the clear tube into the sponge. Turn on air pump.
Sponge filters are great for fish fry and those that like to pick at detrious.

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