Filtering medium for biological and mechanical filtration for fresh and marine water aquarium. Zeolite material comes from vulcans and its molecular structure is very regular. Its absolutely high porosity absorbs ions and molecules of different composition and size, so that it neutralizes ammonium, silicates, nitrites and nitrates. ZEOLITE from PRODAC has an inside surface of 600 sq m/g, this guarantees the total absorption of polluting organic and inorganic substances.
Fill a fine mesh bag with the media, place it in the external filter or in the biological filter located under the centrifugal pump so that water passes through it completely. Packet of 700 gr sufficient for 120 to 150 l aquarium. The product must be replaced every 90 days.
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