first time I placed the hole 3 inchs'ish from the balloon and it did make me leak a little. I tried a second time at around 9inchs from ballon and I have not stopped leaking since. It's crazy how fast a diaper fills up! Very interesting feeling to not have control. I also used waterproof medical tape to double over the cath and then cut the end off. So much good information here to try! Thanks for the ideas!