Metals Removal: Iron, manganese, silver, and zinc may be removed to varying degrees in a single pass system.
Iron, copper, and manganese can be reduced by 99 percent, while zinc and silver will be reduced by approximately 60-70 percent.
Its used in industry to clean up outfall water or for recycling , useing a lot in a res could cause a depletion in available trace elements.
Have never added peroxide or ozone to a nutrient loaded resevoir but many people do , basic chemistry would advise against.