For those looking to add a little extra filtration to their tank, an Aquarium Fish Tank Biochemical Sponge Filter is the perfect solution.
Compatible with most kinds of filtration including external, submersible and trickle filters, our Biochemical Filter connects directly to inlet pipework helping achieve cleaner, clearer water.
A good alternative to air stones, these Small Aquarium Fry Fish Tank Biochemical Sponge Filter Inlets can be connected to your air pump for tank aeration.
The specially contoured fine biochemical foam is excellent for cultivating bacteria, and the weighted base ensures stability.
A popular choice for fry and discus tanks.
Excellent additional /secondary filtration
Structured foam for effective bacteria cultivation
Weighted bottom section for stability
Excellent for fry tanks
Compatible with most filter or air pumps
Connective pipe outer diameter: 23mm