Solvents and high pH alkaline cleaning agents make Quake HD pre-spray a powerful ally in the war against restaurant, apartment, and restoration cleaning challenges. Excellent for emulsifying grease and oil soils. The combination of solvents and high pH alkaline cleaning agents will quickly remove the toughest soils found in restaurants, apartments, and restoration cleaning jobs. HydraMaster Quake HD Pre-Spray has a low-foaming formula with minimal odor. For heavy restoration cleaning, you can add Grease Breaker to boost performance.