For the past month, my toilet has been driving me nuts. I replaced the refill mechanism, but once it was full, over the next 5 to 10 minutes it would drain about 1.5" of water, and refill. The only solution to not wasting water was to shut off the water line going to the toilet. Then when it was time to use it again, open the valve, wait for it to fill up, and proceed - then close it down again. It was very very annoying. I bought a new flapper from Home Depot, but that didn't ...