Replacement Sponge for Hydro-Sponge FilterTM
Capable of moving more water than other sponge filters.
One inch diameter lift tube allows use of power head* without adapters
Raised off bottom, no dead space.
Heavier base.
Easy to clean. Just rinse and squeeze under cool running water.
The Hydro-SpongeTM Filter provides both mechanical and biological filtration. Aerobic bacteria colonize the sponge providing a bacterial substrate to facilitate the nitrogen cycle.
In addition, the Hydro-SpongeTM traps waste particles mechanically cleaning the water without trapping the baby fish.
| MODEL |
HIGH |
DIAMETER |
| I |
2 in |
3 3/4 in |
| II |
4 in |
2 3/4 in |
| III |
4 in |
3 3/4 in |
| IV |
4 in |
4 3/4 in |
| V |
4 in |
5 3/4 in |
|