POT PERM-4.75, Pro Potassium Permanganate 4.75 Lb, KP65N

Greensand Iron Filter Regenerate Maintains Performance of Greensand Iron Filters Pro Pot Perm Plus is a strong oxidizing agent that converts dissolved iron and/or manganese to insoluble oxides which can easily be removed through filtration. Pot Perm Plus regenerates and oxidizes greensand iron filter media, restoring the exchange capacity of the unit.