A recent innovation in filter media for (moving bed) filters is the Eco Pondchip. The ECO Pondchips are made from waste generated by businesses.
Nevertheless, they have been improved for use in ponds for the purpose of water purification. The green chip is 1mm thick and 20mm in diameter.
The particular surface structure has a surface area that is 4580 m2/ m3, which is 7-9 times larger than the normal surface area for bacteria.
classic bio-rings. As a result, fewer of these chips are required than usual bio rings.