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Eheim Pickup 45 Cartridge 2pk
- Depending on the size and stocking of your aquarium, the type of filter as well as the local water quality, choose an appropriate filter media and follow the directions provided so the correct layering of the filter media is is used as this is critical for the water quality.
- Even the best internal and external filters are ineffective, if they are not filled with filter media. They trap dirt and fine particles, provide biological decomposition of harmful substances, remove other contaminants or effect a chemical change.