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Tree Roots AROUND, not IN the toilet drain!

Here's one I need help on. I found tree roots growing into the toilet waste drain, from AROUND the drain. The roots from the cottonwood tree (12 ft away) apparently grew toward the house and along the toilet drain, up through the slab, over the wax seal, then down into the drain toward the septic system.

It wasn't there when I installed the new commode two years ago!

I cut the root at the toilet flange and pulled up five feet of root fibers, about 3-1/2 inches thick.

How do I effectively rid myself of the tree roots growing between the slab and up along the pipe? Has anyone encountered the same? I'd hate to have to pull the toilet every 2 years! Will a copper sulfate solution work, if I pour it down along the flange? Help!!

Re: Tree Roots AROUND, not IN the toilet drain!

You can trench along the foundation and install a 2' root barrier but then again hearing how determined those roots acted before they could always go under the barrier

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