Arcadian’s Windshield Wonder is a Hyper Concentrated Windshield Washer Fluid that is designed to mix 6 ounces of Windshield Wonder with water to yield 55 gallons of ready-to-use Windshield Washer Fluid. Arcadian's Windshield Wonder is great as an add on for Full Service or Express Car Washes as well as for Quick Lube Centers.