Why is there an air bubble when I flush the toilet?
The cause of your toilet gurgling is a blocked line somewhere. A clog is creating negative air pressure, Instead of air flowing through the lines,the air pushes back and causes the gurgling sound. Sometimes, you’ll also see the toilet water bubble.
How do you fix a toilet that bubbles when flushed?
Seal off the drains in nearby sinks, showers, and tubs, and then plunge the toilet. If the cause of the gurgling is in the drainpipe, simply plunging the toilet might create enough pressure to dislodge a light-to-moderate clog, such as one resulting from flushing cotton-tip swabs that got wedged in the drainpipe.
Can a clogged vent cause a toilet to flush slowly?
The following symptoms are signs of a clogged waste stack or vent pipe: Water rising in the toilet bowl. Slow flush (bowl water rises quickly, but falls slowly)
