How to get the gurgle when flushing the toilet from the sink
The gurgling sound you hear from the sink when you flush the toilet may sound harmless, but it can lead to problems if you don't stop it. It means that the pipes are not properly vented, which can lead to slow water flow and eventually clogs. The gurgling occurs when air flows through the sink's trap. When there is enough air to drain the siphon, there is no longer a barrier between you and the foul, methane-laden fumes. Cleaning the vents can be as simple as plunging the toilet, but if the problem persists, you may need to repair some pipes. Close the sink drain, cover the overflow pipes with tape, and submerge the toilet. A partial blockage in the toilet drain pipe can force air through the sink drain, and submerging the toilet can clear the blockage. If you cover the sink drain, the force of the plunger will stay in the pipes. Listen for the gurgling sound. If it is still there, try again. Keep doing the plunge until you are sure it has no effect. Get up on the roo...