Zeolite reduces the Ammonia in your pond creating a healthier environment for your Koi. It works by trapping and absorbing Ammonia, extracting it from your ponds water.
Ammonia is the nuber one killer of pond fish, maintaining a health level of ammonia within in your ponds ecosystem is essential, Zeolite can aid in this process.
As Zeolite absorbs the ammonia, soaking in salt overnight will release the entrapped ammonia enabelling the zeolite to be reused. However, should you need to treat your pond with salt or other medications you must remove the Zeolite from your filter system as the entapped ammonia will be release back into your system.
This Japanese Zeolite is supplied in large pieces in 20kg bags.