Krud Zapper is the latest phenomenon in the horse industry. Professional horsemen everywhere are amazed with its performance.It is a recipe that was lost for decades. This formula dates back over 100 years... getting back to the root of medicine. Nothing fancy just good old fashioned stuff that works. The results are incredible. Krud Zapper repels flies and mosquitos for days at a time, its excellent for use on open wound infections, and removes proud flesh, just to name a few uses!