On Fri, 29 Sep 2006 12:33:05 -0700, wrote:

The flapper in my toilet tank falls back into its resting position
about halfway through the flush and prevents the tank from emptying
completely.

The flapper is attached to the overflow pipe by two flexible "legs",
it's made of rubber and its centre consists of a hollow cone of rigid
plastic with a hole in it.

Can anyone offer advice on how I can get the tank to empty completely?

Thanks in advance for your help.

Darro

The flapper is supposed to float like a cork as soon as you lift it
with the handle.

If it doesn't, then get a new flapper. Walmart sells them.