A state-of-the-art concentrated additive to water specifically designed for cleaning solar panels. Solar panes can be hot during the day and this cleaner will stay wet in extreme heat or high winds. Contains a calcium destroying water softener to keep the panel free of minerals and calcium to maintain photo-voltaic effeciency. Panel glass stays cleaner longer and resists dirt re-deposition. EFT Certified green Product. Can be used with water-fed poles. Squeegees or just rinsed away for a spot free finish. Contains no phenols, ammonia, abrasives or any harsh chemicals. Other features include low fragrance, optimized foam level, kind to your hands, and an orange color indicator to reveal that it has been added to the bucket or spray bottle. High-tech polymeric water softeners condition the water to greatly reduce dirt re-deposition. This feature alone makes Glass Gleam Solar highly desirable in areas of hard water. Contains no alcohol, phenols, or ammonia, so it will not void solar panel warranties. When mixed to our suggested ratio, is nearly 98% water in solution. Concentrated, one gallon will make over 500 gallons of solar panel cleaning solution.