Zeolite use will readily absorb ammonia, making it a useful media when dealing with ammonia spikes or potential spikes. It is important to know that zeolite does not remove every undesirable toxin in your tank, nor does it work forever. CAN BE USED FOR FRESH WATER DRINKING FACILITIES AND AQUARIUM/AQUACULTURE -Specially obtained from non polluted zeolite mine - Densely rich in mineral content -Effectively remove poisonous chemical compounds like Ammonia. - Emit minerals and trace elements. -Nurture good beneficial bacteria for best water purification and sustaining water quality