qwix mix windshield washer fluid concentrate, 1 bottle makes 32 gallons, 1/4 oz. makes 1 gallon 100% biodegradable qwix mix ◼️ qwix mix biodegradable summertime washer fluid concentrate. ◼️ are you tired of running out of washer fluid? keep this in your car and you’ll always have a premium product ready to keep your windshield clean. ◼️ don’t pay to ship water! washer fluid is at least 70% water and you’re paying to ship that every time you purchase a gallon jug. ◼️ just one 8 oz. bottle eliminates 32 plastic gallon jugs. ◼️ love it or we’ll buy it back from you. no questions asked.