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Why Is My Toilet Flushing Slow?

Writer Gabriel Cooper

If your toilet’s flush slows, it won’t flush well. Then, it will become a clog, or something more serious.

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Fortunately, it doesn’t need to. There is a myriad of reasons why toilet flushes are slow. Some of the causes are straightforward, while others are more complicated. But the most important thing to remember is that there is always a reason for why something is happening. If you are able to determine the root of the issue then you can address it and make things flow properly and again. Here are the most commonly cited reasons why flushes take longer to complete and what you can do to solve them:

Insufficient tank water

When you flush the toilet, it is letting water out of the toilet tank go into the bowl of the toilet. The introduction of all the water in the bowl creates a downward suction created by the flush. If there’s not enough liquid in the tank, it won’t generate enough suction inside the bowl. Instead of a quick strong flush, you’ll be getting an ineffective, slow flush.

Your tank should fill up with water until just half an inch lower than the pipe to drain. If your tank isn’t filling sufficiently and your flush isn’t strong enough, there are a variety of things that can hinder the flow of water into your tank. There could be an issue with low pressure, incorrectly adjusted fill valves, or a broken trip assembly. All of these issues are simple for the local plumber to address.

Drains that are blocked

Drains that are blocked affect all water-using appliances within your home, including the toilet. If there is a blockage in a drain, it can slow the flow of water around your home. The easiest solution to repair this involves investing regularly in expert drainage cleaning.

Clogged drains usually occur when people accidentally flush something down a drain they should not. Be aware of the things you flush into your drains. Don’t treat your drainage as a garbage bin, especially your toilets.

The flapper valve is malfunctioning

Flapper valves are stoppers made of rubber that are located on the inside of the bowl. It protects the passageway which connects into the tank of the toilet and the bowl. If you push the handle on the toilet and lift the flapper, you’re lifting it and revealing the passageway. The water flows from the tank into the toilet through the passageway you’ve discovered, which triggers the flush.

Like all other valves, the flapper valves also wear out with time. If the flapper wears down and becomes damaged, it might not be capable of covering the space between the bowl and the tank. There will be a lot of water that leaks from the tank into the bowl on a regular basis and make the flush less effective. It’s pretty easy to replace the flapper on your own or let your plumber replace it.