Non-toxic, odorless steam boiler cleaner contains fast-acting Trisodium Phosphate, TSP. Stops priming, surging in minutes. Removes rust, scale, oil, foam and impurities without draining or flushing system. Cleans pressure vessels, steam kettles, heat exchangers, steam generators and tanks. Safe to use on food service, process equipment and other sensitive, critical applications. When used on a regular basis, scout provides clean, dry steam along with improved boiler efficiency, fuel economy and heat transfer. Will not harm rubber or plastic components. Contains no petroleum distillates. NSF registered/USDA authorized. Color: White 0/5 (0 Reviews)