Originally Posted by jpkirk

The rain-x windshield washer fluid comes in a gallon jug, add straight, no dilution. You can get it at most any reputable auto parts store. Wal/Kmart will probably have it as well. How much rain do you get in Vegas? A little over four inches a year. Not much. Still I bet it comes in monsoon style. The rain-x really helps the water bead up on your windshield and blow off when you are at speed.