GU is a blend of foam-prevention agents that preventsor controls foam problems in a spray tank GU is a blend of foam-prevention agents that preventsor controls foam problems in a spray tank GU is a blend of foam-prevention agents that preventsor controls foam problems in a spray tank GU is a blend of foam-prevention agents that preventsor controls foam problems in a spray tank GU is a blend of foam-prevention agents that preventsor controls foam problems in a spray tank GU is a blend of foam-prevention agents that preventsor controls foam problems in a spray tank