Blitz prespray from HydraMaster incorporates a solvent into a blend of alkaline cleaning agents and builders that quickly dissolves and emulsifies the heaviest of soil. Blitz is a non-enzyme mixture, so it does not require long dwell times to break down the grimiest soil. This economical powder prespray will melt the grimy soil away right before your eyes. Blitz is a ready to use (RTU) formula with a pH of 12 to 12.5, meaning it works well on neglected carpets. It is not designed to be used on well-maintained, stain-resistant carpets. At a use rate of only two ounces per gallon of hot water, Blitz is super-concentrated and economical to use.