Is your pot perm tank over flowing? Are you getting staining after your water is going thru your Iron Filter? Do you hear water flowing thru your Iron Filter when your not using water? Need the media replaced? We service most brands of Iron Filters, including the IB III or we can replace your old Greensand Iron Filter with the new Nelsen AIO system that does not use chemicals to clean itself, and uses the new Katalox media .