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Loads of activated charcoal to filter Filter external Eheim Classic. This sponge carries out chemical filtration. It has a great capacity of absorption of odours and impurities by keeping the water clean and crystalline. Destroy unwanted chemical compounds (nitrates, nitrites, phosphates, etc) absorbs odors, the unapproved and impurities. 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 the active carbon change every 6-8 weeks, depending on the population of fish in the Aquarium. Never change all cartridges at the same time, to prevent the destruction of beneficial bacterial population of the Aquarium. Each package contains 3 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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