Perfect Panels is a highly concentrated, mild pH, solar panel cleaner that leaves no residue. It is specially formulated to loosen and remove bird droppings, fruit bat splat, and pollution, while saving you from the hassle of excess scrubbing. This biodegradable product is gentle enough to be left to dry on hot surfaces, and rinses easily without leaving any streaks or residue. So say goodbye to dirty and inefficient solar panels and hello to Perfect Panels.