Black Swan 6015 Powdered Boiler Cleaner 1 Pound 16 Fl Oz. Removes scale, rust, grease, dirt and oil. Powdered Boiler Cleaner contains an inhibitor which will prevent rust and corrosion. It also stops priming and surging.

Black Swan's Powdered Form Boiler Cleaner is a non-toxic, odorless steam boiler cleaner. Removes oil, rust, scale and other impurities. Safe to use on food processing equipment. HOW IT WORKS Powdered Form Boiler Cleaner absorbs surface oils and foreign matter. It then will mix with the boiler water and absorb all impurities, which will then sink to the bottom and can be drained off as soft sludge. DIRECTIONS Remove safety valve when heat is turned off. Pour Powdered Form Boiler Cleaner into boiler through valve opening. Replace safety valve. Fire boiler and steam for one hour. Then drain and flush boiler. It is now clean and ready to deliver free dry steam. RECOMMENDED QUANTITIES For boilers with a rating of 400 feet or less, use one pound. For boilers with a rating of over 400 feet use one pound for each 500 feet of rating.