deposits in shower drain
Posted by Sleepy on March 02, 19101 at 18:37:30:
When we moved in this house 15 years ago, we had them replace the floor pan of the walk-in, ceramic tile shower.
The plumber connected the new drain to the old galvanized pipe with a piece of PVC pipe. Since then, we get a
calcified deposit that gradually builds up inside the drain pipe, much like stalactites and stalagmites in a cave.
I have to go in and scrape out the pipe every so often to keep the drain running. I assume this is some sort of
static charge problem causing the deposit to form, I don't have this problem with any other drains. Is the PVC pipe
the problem, and is there a solution, short of replacing it?

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