Macropore Micro Filter Media

Crystal Clear water, Removes Nitrogenous Waste Macropore is a Macro-Porous synthetic polymer that controls Nitrates by filtering out nitrogenous wastes products. In the process of doing this is also renders aquarium water to a crystal clear appearances. This product for use in fresh water can be recharged with 6% salt solution until it becomes significantly dark, then bleach recharge will be necessary. For Marine aquarium use, Bleach must be used. Directions Rinse before use in a fine mesh bag, then place the bag of resin in your aquarium filter. this container will treat 4800 liters for approx 6 mths, it is exhusted when it will not bleach white again or clarify aquarium water.