7 Common Causes of Clogged Drains

William Koonce
3 min readMay 5, 2023

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Clogs can easily be prevented and addressed to keep your plumbing system in top condition.

Clogged drains are some of the most common plumbing problems faced by homeowners. A clogged drain can be both annoying and messy and can quickly lead to bigger, more expensive problems if left untreated. In this article, we’ll explore the seven most common causes of a clogged drain and how best to remedy them.

Grease and Oil

One of the most common causes of a clogged drain is grease and oil. When cooking, oils and fats melt and flow down the drain. As these fats cool, they solidify and cling to the walls of the pipes. Gradually, they build up and slow the water flow, eventually leading to a clog.

The best way to prevent this type of clog is to avoid just pouring oil and fat down the kitchen sink. Instead, let the oil and fat cool on a plate before disposing of it in the trash. Alternatively, you can collect it in a container such as a jar and discard it when it’s full.

Hygiene Products

Another source of clogged drains is hygiene products. Common culprits are hair and soap scum. Hair can quickly accumulate in the drain and clog it, so it’s best to try and keep hair from going down the drain.

Furthermore, some hygiene products such as soaps and shower gels contain lot of ingredients that are not biodegradable and tend to stick to the pipes walls. This also leads to a decrease in flow and eventually a clog.

It’s best to take preventative measures by using hair traps and shower screens that make it easier to keep the hair and hygiene products from the drain. You should also use biodegradable products whenever possible.

Paper Towels

Paper towels are another source of clogs, especially if you try flushing them down the toilet. Paper towels are not biodegradable and when placed in the drain, tend to swell and clump together. This can quickly clog the pipe and lead to a bigger problem.

The best way to avoid paper towel clogs is simply to not flush them down the toilet in the first place. Instead, dispose of them in the trash.

Foul Odors

Foul odors emanating from your plumbing system can also be a sign of a clog. These smells usually come from decaying food or residue buildup in the drain pipes and can cause a major problem if left untreated.

The only way to remedy this kind of problem is to thoroughly clean and sanitize the pipes. This can be done with the help of a professional plumber or an enzymatic cleaner.

Roots

Tree roots can also cause clogs in the plumbing system. These trees tend to seek out sources of moisture and nutrients, so your plumbing system is a prime target. If unchecked, the roots can cause major clogs and even lead to pipe damage.

The best way to remedy this type of problem is to hire a professional plumber to assess the situation and remove the roots.

Mineral Buildup

Mineral buildup from hard water is another cause of clogged drains. Over time, the minerals deposited in the pipes can begin to build up and reduce the flow in the pipes, eventually leading to a clog.

The best way to prevent this type of problem is to install a water softener or a water filter in your home. This will help to reduce the amount of minerals in your water, reducing the likelihood of mineral buildup in the pipes.

Foreign Objects

Foreign objects such as jewelry, toys, and small items can also cause a clog in your plumbing system. If these items get stuck, they can quickly cause a blockage and impede the flow of water, resulting in a clog.

If you suspect that a certain item may have become lodged in your pipes, the best thing to do is to call a local plumber near you.

Conclusion

Clogged drains can be a major headache for homeowners. By understanding the seven most common causes, you can take steps to prevent a clog in your plumbing system and keep your drains running smoothly.

If you do have a clog, it’s best to call a plumber to assess the situation and determine the best course of action. Taking proactive measures to prevent clogs and addressing them as soon as possible will go a long way in keeping your plumbing system in top condition.

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