Hydro - Pro Sponge Filter I (Coarse)

Hydro-Sponge filters stand tall over the competition with superior construction, quality materials, modular design (for easy expansion), and affordable pricing.

Quantity: 7



Hydro-Sponge filters are free standing with a heavy base that locks securely in place, but is easy to unlock if needed and is raised to allow sufficient space so that there are no dead areas between the aquarium floor and the filter.

Our quality design brings the sponge filter to a whole new level as a serious filtration system that outcompetes under gravel biological filters and goes toe to toe with any other filtration system. Breeder tanks, shrimp and invertebrates, tanks on the go, the need for quick bio-cycling, are all obvious applications for sponge filters, but many hobbyists are finding that the Hydro-Sponge is an excellent filtration alternative for any aquarium set up.




  • One inch diameter lift tube moves more water than other sponger filters and may be connected directly to a power head without the need of adapters in order to increase water flow and circulation
  • Use with or without an airstone (sold separately)
  • Easy to assemble and clean (all the pieces snap easily into place)
  • Safe for fish fry and invertebrates
  • Available in five sizes



Hydro-Sponge I - 2" x 3 3/4" x 7.5" tall - up to 10 gallons
Hydro-Sponge II - 4" x 2 3/4" x 11" tall - up to 20 gallons
Hydro-Sponge III - 4" x 3 3/4" x 11" tall - up to 40 gallons
Hydro-Sponge IV - 4" x 4 3/4" x 11" tall - up to 80 gallons
Hydro-Sponge V - 4" x 5 3/4" x 11" tall - up to 125 gallons

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