Expanded black sponge for 100x50x4cm mechanical filtering - AMTRA

The bearings can be easily cut and adapted to any type of shape / any shape.

Thanks to the particular structure it is useful both to retain the particles of dirt, and to act as a support for the establishment of the bacterial flora necessary for the biological filtration of the water.

Through an accurate rinsing under faucet water it can be cleaned and reused several times. In the event that it is used as a support for the settlement of filter bacteria if they recommend cleaning only in the water of the aquarium, previously taken and put into a bucket, so that the chlorine present in the tap water cannot kill the bacterial flora present.

In general, it is recommended to clean every 2-4 weeks when used only as a mechanical filtration material.

When it is also used for biological filtration to clean it if necessary, or when it turns out to be clogged and the flow of water in the filter is too slowed.