bathroom sink drain pipe extension

Install an elbow onto the end of the horizontal extension, and then cut a length of 1 1/2-inch PVC extension pipe that extends from the other side of the elbow to the drain. In some cases, you may... I recently replaced one of these flexible accordion waste pipes with a regular, approved PVC pipe. The accordion drain had a lot of debris in it. The p-trap underneath it was full of a really scary, thick soup of gunk. I immediately took that outside and dumped it out. But when I put it all back together, the sink still had a