EcoGen Pressure Washer Soap is a commercial grade pressure washing solution that safely lifts dirt, oil and grime from outdoor surfaces. Use to clean concrete, heavy equipment, agricultural machinery, tanks, rigs, drilling equipment, buildings, decks and more. EcoGen pressure cleaner is a biodegradable, non-toxic formula that is safe for surrounding landscape and plants when diluted as directed for general cleaning. SAFETY: EcoGen Pressure Wash Cleaner releases no harmful fumes, is safe on skin, non-toxic, non-flammable and requires no special handling requirements. HOW TO USE: Product is concentrated. Add EcoGen Pressure Wash Concentrate to soap tank so product is diluted with water through the pressure wash system. Recommended dilution for general cleaning is 1: 64 or 2 oz. per gallon of water. Apply from bottom to top on equipment or surface to be cleaned. Allow solution to remain on surface for a short time before rinsing. Rinse with clean water.