Will Pepsi clear a clogged drain?

Author: Darius Wilderman  |  Last update: Tuesday, April 28, 2026

You may be surprised to learn that pouring soda down the drain does work for some clogs. To be specific, you need a dark-colored cola (such as Coca-Cola or Pepsi). This type of carbonated beverage usually contains a good amount of phosphoric acid, which given enough time, can eat away at some types of clogs.

Can Pepsi unclog a drain?

Pouring Pepsi or Coca-Cola down the sink is sometimes suggested as a home remedy for cleaning drainage pipes due to their acidity and carbonation. The phosphoric acid in cola can help break down minor clogs and buildup. However, while it might help with light cleaning, it is not a substitute for more effective methods.

Is Pepsi a good drain cleaner?

Most blockages in small diameter drain pipes are caused by grease, mounds, bacterial and enzyme slime, grease being the worst offender. The sugar in Cola will make the blockage worse if there is already a bacterial or other slime in the pipe as it's a great food!

What soda is good for clogged drains?

Cola-sodas have phosphoric acid, which can easily dissolve the fat in plumbing. As you can see, there are many stories of people who successfully unclogged sinks and toilets using just soda. Here how to do it: Little by little, pour a 67oz bottle of Coke over your drain. Wait and watch your sink gradually unclogging.

Does Coca-Cola work better than Drano?

Coca Cola is much less powerful than any of the commercial drain clearing products you can buy - and they are designed to go down drains. Coke will have no effect whatsoever on the drain - and probably not much of an effect on the blockage.

Unclog a Sink Drain with Coke or Pepsi

Why do plumbers not like Drano?

Plumbers unanimously encourage homeowners not to use Drano due to its corrosive nature. The chemicals in Drano can erode not only the clogged material causing the blockage but will also quickly eat away at the metal plumbing pipes themselves, causing more harm than good.

What will dissolve hair in a drain?

Heat 2 or 4 liters of water on your stove or in a kettle to just short of boiling. Add about 1/2 cup of salt. Try pouring this down the drain, then wait 15 minutes before seeing if it will clear more easily. If you need a stronger cleaning, pour 1/2 cup of baking soda down the drain, then add 1/2 cup of vinegar.

What is the best item to unclog drains?

Plungers are good for food or organic material clogs. Or use an enzyme drain cleaner. Drain snakes are the best drain cleaner for hair clogs, whether the hair is natural or synthetic. If that doesn't work and the hair is natural, try a chemical drain opener.

Is hydrogen peroxide good for unclogging drains?

Yes, hydrogen peroxide is safe to use for unclogging a drain. It will dissolve and loosen natural matter—like skin cells—stuck in the pipes. Hydrogen peroxide also reduces germs and disinfects the drain, helping it smell fresher and clean.

Can I clean my toilet with Pepsi?

Can You Clean Toilets With Coca-Cola? Yes, although we don't recommend using Coca-Cola every time your toilet needs a good scrubbing, as the dark color of the carbonated soda can actually stain the bowl and leave a sugary residue when used excessively.

Is pouring soda down the drain bad?

While the phosphoric acid found in cola can help alleviate some minor clogs, carbonated beverages are certainly not the ideal drain cleaner.

What is safe to pour down the drain to unclog it?

Add a half cup of vinegar and put something over the drain. Wait half an hour and then pour boiling water into the drain. Dish detergent: For a clogged toilet, pour a quarter cup of dish detergent into the bowl and then pour hot water over it. Use a plunger.

What liquid unclogs drains?

Drano Max Gel Liquid Clog Remover

The 100-year-old company Drano is the Q-tip of drain cleaners — the brand most people think of first for tackling clogs. In our tests, we've been consistently impressed by the clearing power of Drano's gel formulation, which is safe for all plumbing and septic systems.

Will Coca-Cola unblock a toilet?

Let water dissolve the clog, and try flushing again after several hours. By pouring a caustic soda (coke, for example) into the toilet bowl, you can speed the dissolving process along considerably. Simply dump a can of cola in the water and let it eat away at the debris.

What do plumbers recommend for clogged drains?

Manual augers are especially useful in clearing simple drain or toilet clogs, dislodging debris, and passing through the sewer system. In most clogged drains, the manual plumbing snake is sufficient to clear minor blockages relatively close to the drain opening.

What is the best thing to put down a clogged drain?

#1: Use baking soda and vinegar

Let it sit for an hour or more (or overnight if you suspect the blockage is really bad) and then flush with hot water. In theory, the blockage should be gone but repeat the process if you experience further problems.

What pulls hair out of drain?

For best results, start by squirting a little dish soap into your drain, followed by a cup of vinegar and a cup of baking soda. Wait five minutes or so, for the chemical reaction of the vinegar and baking soda to take effect, then chase that with a cup or more of boiling water.

Why should you never use baking soda and vinegar to unclog a drain?

The fizzing reaction and gas created may help loosen some small blockages. However, it is not typically strong enough to break down larger clogs or remove hard-to-reach debris. As a result of the above facts, if you have a serious drain clog, using baking soda and vinegar is unlikely to be effective.

How to make a drain snake?

To make a drain snake, all you need is a wire coat hanger that you can unwind and straighten. Bend the end of the wire into a hook shape and insert it into the drain. Move it around until you feel resistance and then pull out any hair or debris that may be blocking the drain.

What should you not mix baking soda with?

Baking soda is commonly combined with another solution, such as vinegar or water, to create a cleaning paste. (But be careful not to combine baking soda with certain solutions such as chlorine bleach, ammonia, or alcohol because these can cause dangerous chemical reactions.)

Why put salt in Coke?

Cola is a great starting point, since it has both sweet and sour flavors that are each enhanced by the presence of salt. Lemon-lime sodas like Sprite and Mountain Dew will have their flavors intensified as well. This technique can even balance out more complex sodas, like Dr.

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