Out Filter-Mate Potassium Permanganate - 80 oz.

Out Filter-Mate Potassium Permanganate is a blend of greensand filter regenerates designed to rid the filter of iron and other minerals, restoring the exchange capacity of the unit. Filter-Mate Potassium Permanganate blend is a powerful oxidant that is also effective for use when filtering manganese or hydrogen sulfide. It converts dissolved iron and manganese to insoluble oxide which are removed through filtration.