New answers tagged drain-waste-vent
In my case, it was tree roots blocking the sewer line. (See the preceding post about air out). Over time, the glug got worse and eventually morphed into bad drainage for the sink/tub/toilet. Cleared the sewer line and the glugs were gone.
I had the same problem and on another site it said to try plunging the toilet. I did that a few times and it worked! No more tub gurgling!
Hole saw out the center and cut a pie shaped piece out with a saws all all the way to the threads but not into the threads, then with a hammer and punch knock out the pie shaped piece and remove the rest with channel lock pliers. Do it every day as a professional plumber. And if the threads are different stop at a local plumbing outfit and get a lead plug.
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