Check the listing for details. Ban T Pro Citric Acid (6-4 lbs. Bottles) CASE. Condition: New. Listed at 259.00 USD. Pro Citric Acid or known as Ban-T comes in a 4 lbs. container. Used to clean calcium, lime and scale deposits. Pro Ban T is a water softener AND backwashing filters iron removal cleaner that is specially formulated to effectively lower pH and remove iron and other contaminants from fouled water softeners and backwashing filters, including iron filters. The iron removal cleaning powers of Ban T should be used as preventative maintenance on all water softeners and iron filters in areas with moderate iron content to maintain the life of the softener. Ban T citric acid is also sometimes effective at extending media life on iron filters when the media has seemed to be exhausted. Ban T is an environmentally friendly water softener iron removal cleaning agent that removes hard water deposits, lime scale and moderate iron staining from household fixtures. Includes six 4.0 lb. bottles - 1 full caseIncludes six 4.0 lb. bottles - 1 full caseWill remove iron, tannins and other build-up from water softeners AND backwashing filtersIncreases capacity of the softener unit and backwashing filterEffectively lowers the pH of your water and removes hard water deposits on household itemsNon-toxic, non-corrosive, and non-hazardous. Safely use on many surfaces.