NT Labs Koi Care Zeolite, Zeolite Chunks with Filter Media Bag, Rapidly Removes Toxic Ammonia from Pond Water, Reduces Nitrite and Nitrate in Pond Water, Maintains Health and Wellbeing of Pond Fish

【NATURAL AMMONIA REMOVER】: Zeolite chunks are ideal when rapid ammonia removal is required. Zeolite can be placed in the filter or water flow and can be easily removed for recharging. 【EASY TO USE】: To work out the required dosage for your pond, simply calculate the volume of your pond in litres (length x width x depth (in cm)/1000) or alternatively, use our Online Dosage Calculator. Place the desired dose into the filter bag provided and rinse under the tap. Place in the filter in an area with a strong flow of water. 【USE IN CONJUNCTION WITH NT LABS TEST KITS】: Use NT Labs Pond Lab Multi-Test Kit to monitor water quality in your pond. When high levels of Ammonia, Nitrite and Nitrate are detected, use Zeolite to improve water quality to allow Koi to thrive. 【CAN BE RECHARGED】: Recharge Zeolite in the spring and every 6 weeks, or sooner if poor water quality is detected. 【 SUITABLE FOR ALL POND KEEPERS 】: The ease of use of Koi Care Zeolite means it is perfect for use by beginners and seasoned pond keepers alike.