ProProducts, LLC introduces its POT PERM PLUS® formula, which is more soluble and more effective in converting dissolved iron and manganese to insoluble oxides that can easily be removed through filtration. It regenerates and oxidizes greensand iron filter media. No change to dosage or settings on iron filters is required. Formulated with ProProducts’ goal of sustainable lifecycle management. http://www.proproducts.com, 800-285-9176