CT Softwash LLC - Power Washing & Roof CleaningAddress: 919 Colonel Ledyard Hwy, Ledyard, CT 06339Phone: (860) 993-9770PSI and GPM: Don't miss out on the meaning of PSI (kilos for every square inch) and GPM (gallon for every minute) values extra into the stress washer And just how they affect the cleaning course of action. A particularly significan