Masterline Purity Filter Media for Crystal Clear Water in the Aquarium (500 ml)

Effects crystal clear water and reduces organic pollutants through absorption Prevents algae problems and noticeably reduces algae problems Can be regenerated and can therefore be used more often Recommended amount for a longer regeneration. Time: 100 ml MasterLine Purity to 100 L aquarium water Put Purity in a fine mesh bag, e.g. the MasterLine ZipBag, rinse with water and store in the filter of your aquarium