Tetra
Biological filter media gives beneficial bacteria a place to colonize and remove toxins produced by organic waste - the single most important process for the health of your aquarium.
More Pond Filter Media ↓

We carry a wide variety of replacement filter media for your Koi pond.

Media bags may be used to hold biological media for most Filterfalls and filter units.

Biological filter media gives beneficial bacteria a place to colonize and remove toxins produced by organic waste - the single most important process for the health of your aquarium.

Pondmaster Biological filter media gives beneficial bacteria a place to colonize and remove toxins produced by organic waste - the single most important process for the health of your pond.

Rolled Filter Matting Allows for high volume water flow, bacterial adhesion, and colonization.

Ultra Bio-Media is a filtration media with very high bio-film surface and offers superior bacterial adhesion and colonization.

Bacteria convert harmful nitrogen by-products from aquatic animals into less harmful nitrates. This process occurs naturally in nature's lakes and streams. In a Koi pond these bacteria are found on the walls of our ponds. They also can be found on the inside walls of the pond plumbing, attached to the skimmer basket, and on the rocks that ...

Savio Springflo Bio-Filter Media is a polypropylene and calcium carbonate ribbon. The embossed diamond pattern creates millions of dimples to rapidly secure and develop bacteria.
Easy to use and maintain, inexpensive, and resists channeling, clogging, and compaction in up-flow and horizo ...

This visibly porous inert biological media is especially suited for pond filtration. Fish Mate Supra+ has the largest biological surface area of popular filter media. Fish Mate Supra+ filter medium reduces lethal nitrite a ...