No matter what way I try, its either to big or to small to fit on any of the upstairs taps. So then I tried using the big end and holding it on the faucet part that was to small, and when I started draining the tank it took forever for the water to start coming out, and the tap was on full blast. With all the time it took just for that I could have done it faster with a bucket. Looks like I wasted my money on this.