For rapid ammonia removal in your pond, place Zeolite in your filter where there is a flow through of water.
For best results, use all the time and re-charge regularly. When poor water quality is detected or suspected, just add more. Comes with a filter bag for your convenience.
To use: Rinse before use, place in filter bag provided and place in filter where there is a flow of water.
To re-charge: soak Zeolite in a solution of 4tbsp of salt per gallon of water for 24 hours, replace 50%, and do this in Spring and every six weeks to ensure a healthy, balanced pond for your fish