Hydor Professional Black Sponge

The Hydor fine filter fleece is available in various sizes and is especially suitable for use in the Hydor external filters.

For the benefit of your fish and plants, permanent filtration of the aquarium water is necessary. The Hydor filter technology safely breaks down excess nutrients and thus ensures permanently good water quality. The filter is the heart of every aquarium and should therefore be maintained regularly.

The Hydor fine filter fleece is a fine filter fleece specially designed for the Hydor external filters, which actively retains fine particles and thus ensures optimum water quality.

Oliver Knott recommends:
With the Hydor fine filter fleece, filter media can be replaced quickly and easily, guaranteeing optimal water quality and crystal clear water!