Can't turn the water on high, or you can get water. I use mine often when we are boondocking when I need to fill my portable water jug. I found slipping it on to the faucet lets me put the jug on the ground and fill it with easy. I also found if you use a radiator clamp with a thumb screw, you clamp it on and now you do not have to worry as much about it blowing off the faucet.