Is a caustic based powder detergent for use in milking parlours. BFS Coldwash is made from a high grade caustic and has been a consistently reliable product for dairy farmers for 20 years. BFS Coldwash can also be used in hot water with the addition of a small amount of Hypochlorite for once a week hot washing. BFS Coldwash is recommended by Mueller. It is developed to the highest standards and has proven itself over the years.