NT Labs Koi Care Zeolite Filter Media removes ammonia in pond water. For best results, use this media throughout the year and recharge (see additional information) regularly. Recharge and top up when water quality begins to fall.
A filter media bag is included, allowing Zeolite chunks to be placed in the filter or water flow. Can be easily removed for recharging.
5kg – treats 6750 litres (1500 gallons)