Replacement filter pad for Eheim Classic filters
White sponges for Eheim filters of the Classic series . These perlon sponges retain both fine and coarse particles through mechanical filtration. This set of sponges performs the second phase of mechanical filtration.
Each package contains 3 units.
Spare fine-grain white Foamex for the Eheim Classic external filter.
These Eheim sponges are made of a special perlon and trap even the smallest particles. They are normally placed last inside the filter. It has a dense network of fibers that retain the finest particles, preventing them from passing to the next phase of filtration. It also serves as a support for the settlement of the beneficial bacteria of the filter that carry out the biological filtration. It is a product of the Eheim brand, a leading German company worldwide in the aquarium industry, a guarantee of excellent quality and durability.
To keep the aquarium water in perfect condition, you should change the filter materials regularly. Change the sponges every 4-6 weeks, depending on the population of fish in the aquarium. Never change all the filter media at the same time, to avoid destroying the beneficial bacterial population in the aquarium.
To achieve the best results, the filter materials must be placed in an orderly manner (respecting the layer structure) so that the action of each phase complements each other.
