A super windshield washer fluid detergent that outperforms the typical blue washer fluid. Developed for leading German car makers, Kristall Klar Windshield Washer Fluid Concentrate is 200 times more concentrated than the typical pre-mixed washer fluid. Each full reservoir dose, when mixed with regular tap water, makes approximately 1.5 gallons of highly effective washer fluid that easily removes road grime, bugs, sap and dirt without causing smearing or glare that can impair driving. Reduces wiper blade wear and tear and eliminates skipping and shuddering. Does not leave white residue on paintwork. Softeners prevent mineral build-up in washer system for optimum operation. And unlike washer fluid tablets, Kristall Klar will dissolve completely, contains lubricants and won't clog your windshield washer fluid system. Biodegradable and phosphate-free. Ammonia-free so it won't harm chrome, paintwork, rubber or plastic. Has a fresh citrus scent. Each bottle makes approximately 13 gallons of windshield washer fluid.