I don't know if I'm the only lucky one or not, but I find it very difficult to use the Joolca HOTTAP because I can't adjust the water temperature, first very cold, then just very hot. It is impossible to take a shower. While I was trying to adjust the temperature, the water just ran out. You know, there's not enough water, you have to keep that in mind all the time when you shower. But wait, I can't take it because I don't have elephant skin and I can't stand it those temperature changes. It's also rather big, takes up a lot of space. A controversial purchase, I'm not sure I'm happy with it.