Pro Ban T is specially formulated to effectively lower pH and remove iron and other contaminents from fouled water softeners, and increases the capacity and efficiency of the units. Pro Ban T should be used as preventative maintenance on all water softeners in areas with moderate iron content. This safe, environmentally-friendly cleaning agent removes hard water spots, lime, rust and scale deposits on general household items.ApplicationsFirst Time Use in Water Softeners:Dissolve 2 cups of the powder in 1 qt. of warm water and pour into the brine well. (For softeners with no brine well, pour into the salt storage tank when salt level is low.) Manually regenerate the softener.Preventative Maintenance:Add 1/2 cup to every 40 lbs. of salt added to brine tank, and layer it to ensure a continuous dose of Pro-Citric Acid during each regeneration.Dishwashers and General Purpose Cleaning:Follow directions on the back of the package.Features and Benefits Pro-Citric Acid has the advantage of being non-toxic, non-corrosive, biodegradable, and is used to neutralize bases (pH adjustment). Contains Citric Acid which is a safe and environmentally friendly cleaning agent that has very little odor and no obnoxious fumes. Pro-Citric Acid can be used safely on virtually all surfaces. It will not harm fiberglass, porcelain, glass, stainless steel or chrome. Removes hard water deposits from tubs, sinks, showers, faucets, ceramic tile, dishes, glassware, plasticware, ice machines, ultra violet filters, humidifiers and distillers.Technical InformationOdorless, free-flowing, white, crystalline powder.FormulationCitric Acid CAS# 77-92-9: 60-100%Storage and HandlingStore in unopened containers under cool, dry conditions. Do not store with or close to strong bases. Read relevant Material Safety Data Sheet before handling product.Shipping InformationDOT classification: Not regulated as dangerous goods.