Juwel Amorax M Compact Amorax is a highly effective filter medium used to break down ammonium in your aquarium. Amorax is a highly efficient filter medium made of natural Zeolith. It quickly and effectively binds ammonium, thereby preventing the formation of ammonia (Toxic to livestock) and promotes the vitality of your fish and plants. It prevents the formation of ammonia, effectively reduces the growth of algae and can contribute to improved plant growth. Juwel Amorax is a long-term filtration media. Replace every 12 weeks. The following models are available: M - Compact Juwel Amorax L - Standard Juwel Amorax XL - Jumbo Juwel Amorax Characteristics of Juwel Amorax: Reduces ammonium Slows down algae growth Promotes plant growth Suitable for use in freshwater and saltwater aquariums Fits the following aquariums: - Juwel Rekord 600, 700 and 800 (bioplus M Fine fits into the system on its side) Juwel Rio 125 Juwel Rio 180 Juwel Rio 240 Vision 180 Trigon 190 Lido 120 Lido 200