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Foamex blue coarse-grained external filter Eheim Classic replacement. This game of sponges is the first stage of mechanical filtration. It has an entramado fibres which retain more coarse particles suspended in the water of the Aquarium, as remains of food, stool, etc. It also serves as a support for the settlement of beneficial bacteria in the filter engaged in biological filtration. It is a product of the brand Eheim, leading German company worldwide in the sector of the acuariofilia, guarantees an excellent quality and durability.
Filter materials on a regular basis you must change to keep the aquarium water in perfect condition. Change sponges every 4-6 weeks, depending on the population of fish in the Aquarium. Never change all media filter at the same time, to prevent the destruction of beneficial bacterial population of the Aquarium. Each package contains 2 units.
Suggestions for the placement of the filter media in the filter Eheim Classic:
To get the best results, the materials filter in an orderly manner (respecting the structure of layers) should be placed so that the action of each phase should be complemented.
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