BT-75 is an all-in-one boiler water treatment for both conditioning scale and sludge in the boiler water and prevention of corrosion. It combines a powerful scale and sludge control agent with oxygen scavengers. This unique combination provides corrosion control throughout the boiler system, maximizes the life of your equipment, and reduces costly maintenance. BT-75 prevents energy-robbing scale and reduces boiler sludge, minimizing your energy cost.