1 Shot Concentrated Solar Panel Cleaner is ammonia free, streak free, nonsmearing and quick drying with no odor, no VOCs, environmentally and user friendly Cleans, protects and improves efficiency in one step The special active ingredient formula cleans solar glass and reduces the surface tension which bonds dirt and dust Panels will stay cleaner longer and maintain higher levels of efficiency, maximizing your investment Includes a automatic mixing hose end sprayer which mixes 4oz per gallon Makes a total of 8 gallons of solar panel cleaner