I don't really know why we don't have stock tank heaters. It ain't like the owner of the ranch can't afford it. It would definitely make cold days easier. And I don't have to bust anywhere close to 100. Usually I only have to bust about five or six, but only two of those are on the ranch I work on, the rest are on friends ranches and it since they let me hunt there land I always feel like it's a good idea to repay them by helpin out whenever they call. But it definitely doesn't make it any funner so I feel your pain too.