Email to Stella Dad's Window Cleaner * Source of Recipe Dad The Best Window Cleaner.... In a Gallon Jug Add: � cup Sudsy Ammonia 1 pint 70% Isopropyl Alcohol 1 Tablespoon liquid dish washing detergent 1 Gallon of Water (fill gallon jug up with water) The cleaner will be the color of the dish detergent you use.