we would leave the tape on for 2 or 3 days then take if off for a couple days then back on. some people leave the tape on longer but if you have a dog like mine who just does not want that tape on then after a day or two the tape will be coming off or folding wrong so you have to remove it and start over. the ear that is sticking out will definitely stand. the other may or may not. all you can do is tape, add calcium and try laying him on his back in your lap and massaging his ears. i you need good 