How To Fix A Gurgling Toilet
—Richard Bowman, Waldorf, MD. Why Is My Toilet Gurgling? A: I’d bet that one of your plumbing vents is blocked. Most people think that those small pipes that stick out of a roof are there to exhaust sewage smells, and that’s true. But they also equalize the air pressure in the drain pipes so waste water can flow freely. You can see how the principle works by sticking one end of a straw into a glass of water and then covering the other end with your finger....