Debunking Common Drain Cleaning Myths: What Options Really Work

Keeping your drains clean is essential for avoiding clogs and maintaining reliable plumbing. Unfortunately, there are many myths about how to safely and effectively clean or unclog a drain. While some DIY drain cleaning methods simply don’t work as claimed, others can damage pipes and lead to costly repairs. This article breaks down common drain cleaning myths and explains which solutions are actually effective.

Myth: Chemical Drain Cleaners Are Safe

Most professional plumbers strongly advise against using chemical drain cleaners. These products typically contain strong acids or alkaline substances such as lye. Their corrosive nature allows them to dissolve debris, but it can also damage plumbing materials, especially with repeated use or in older systems.

Lye-based drain cleaners are particularly concerning. When lye reacts with water, it produces significant heat. While this reaction can melt grease and soap scum, it can also soften PVC pipes and weaken joints or glue connections. Over time, this increases the risk of leaks. Even metal pipes can be damaged by frequent exposure to harsh chemicals.

Myth: Bleach Can Eliminate a Clog

Bleach is sometimes discussed as a drain-cleaning solution, but it has very limited usefulness. Diluted bleach generally won’t damage PVC pipes, but concentrated bleach left in a pipe for extended periods can contribute to material degradation.

More importantly, bleach does not dissolve common clog materials such as hair, food particles, or grease. While an occasional diluted rinse may help control odors, bleach is not an effective solution for clearing blockages.

Myth: Boiling Water Can Clear Any Clog

Boiling water is often promoted as a cure-all for clogged drains. It can help melt clogs caused by grease or oils, but it will not break down hair or solid debris.

There is also a risk to plumbing materials. PVC pipes can begin to soften at temperatures well below boiling. Pouring large volumes of boiling water into a drain, especially repeatedly, can contribute to pipe warping or joint failure. This is why many manufacturers recommend running cold water when draining pasta or disposing of hot liquids.

Myth: Vinegar and Baking Soda Will Clean a Drain

Vinegar and baking soda are commonly recommended as a natural drain cleaner. The mixture creates a bubbling reaction that can help loosen light residue and reduce odor-causing bacteria.

However, this method is not effective for clearing clogs. While it is generally safe for plumbing and useful for odor control or light maintenance, it will not dissolve hair, grease buildup, or solid obstructions.

How to Safely Clean Your Drains

Minor sink and shower clogs can sometimes be addressed with a plunger. Plunging forces water through the drain, which may dislodge small blockages. However, plungers are only effective for minor clogs and can sometimes push debris farther down the pipe.

Slow-draining tubs and showers are often clogged with hair. In some cases, hair near the surface can be removed with needle-nose pliers or a simple retrieval tool. If the blockage is deeper, a drain snake may be required. While homeowners can purchase manual snakes, improper use can crack or damage pipes. For this reason, professional service is often the safer option.

Professional plumbers use mechanical drain augers that not only break through clogs but also scour pipe walls to remove buildup. This provides more thorough and longer-lasting results than basic manual tools.

Hydro jetting is another effective method for cleaning drains and sewer lines. This process uses high-pressure water to break through blockages and remove buildup from pipe walls. Hydro jetting can even clear tree roots in sewer lines. Before performing hydro jetting, plumbers typically conduct a camera inspection to ensure the pipe is structurally sound, as damaged or severely corroded pipes may not be suitable for this method.

Seek Professional Help Today

At Benjamin Franklin Plumbing® in Redmond, WA, our experienced team is equipped to handle a wide range of plumbing needs. From drain and sewer cleaning to general plumbing repairs, we provide reliable solutions backed by professional expertise. We are also available 24/7 for plumbing emergencies. Contact us today to schedule drain cleaning or any residential or commercial plumbing service.