Ammonia is continually produced in all ponds due to fish waste and urine, uneaten fish food, and decomposing vegetation. The natural ion-exchange zeolite in Ammo-Rocks acts like a sponge to remove deadly ammonia.
Perfect as a biolocical filter media.
Improves the development of the biological filter.
Especially recommended for use in newly set-up ponds and spring start-up.
