How To Unclog A Bathtub Drain With Bleach In 4 Simple Steps

You bathtub has become clogged again and you really need a quick solution?  Then learn how to unclog a bathtub drain with bleach through this article.


One day, you notice that the water in your bathtub is draining at a much slower rate compared to before. This unusual problem continues until the drainage suddenly refuses to work and you end up with a clogged tub. Until you can solve it, the bathtub is out of order which is quite annoying to you and your family.

Knowing how to unclog a bathtub drain with bleach can come in really handy in such occasions. Do this right and you can quickly regain access to your lovely tub in a blink of an eye. In the case that you are absolutely clueless, right below are information and instruction that are extremely helpful to you.

The reason behind the clogging and bleach usage advices

There is a wide range of reason which can lead the clogging of your tub drainage system. In most case, the primary cause is the undisturbed accumulation of hair, grease and alike in a very long time. To solve the blockage, bleach is an excellent choice but you must pay utmost attention when you work with it.

Always remember that bleach is a dangerous substance that is a hazard to your health if not handle with care. It’s essential that you properly equip yourself with protective gears, goggles and gloves are strongly recommended for the job. You may feel that it’s a bit too much for a small operation like this but better safe than sorry.


Exposure to bleach can make your skin feel itchy and irritate so seek medical treatment if you encounter the symptoms. Don’t lean right over the drain while you are pouring the bleach into it. Keep in mind to pour the bleach slow and steady to prevent splashes that can hit your face and body.

Finally, you shouldn’t the bleach if your house drainage is connected to a septic tank instead of the public sewer. Bleach will kill the microorganism exist in the tank that east solid waste so it is ill-advised. The corrosion tendency of the bleach requires you act quickly and decisively to prevent any collateral damage to the drainage.


As mention above, you want to have a good pair of thick rubber glove and goggles here. After that, you need to cleanse the drain and it surrounding clear of bleach get a few pieces of cloth. As the last result, prepare a plumbing snake or wire hanger to break through the clogging and pull it out.

For the bleach, it’s bet that you got a product that is friendly to the environment and safe to use. In certain cases, you take advantage of the information on the container label as hints on what to do later. You can pour the bleach either directly from its container or use a separate cup to check the amount first.

When everything is good, let’s get into it.

The procedures

  • Step 1: Prepare the tub

Since the drain is clogged, you might have to manually remove all the water that still present in the tub. It’s vital for the upcoming work since any remaining liquid can mingle with the bleach and dilute it upon contact. That can lessen the bleaching effectiveness or even lead to unforeseeable situations so cleanse the tub thoroughly.

  • Step 2: Pop open the drainage cover and pour in the bleach


Remove the cover of the drainage so you can see into the drain interior and apply the bleach without trouble. The strength of the bleach is the deciding factor on how much you should use here so check the label again. In the average condition, 250 ml of undiluted bleach should be sufficient to solve the clogging.

Pour the bleach into a cup to ensure the correct amount if you want then apply it to the drain. Let the chemicals do their job for roughly ten minutes but not longer since they can destroy the drain material. In the meantime, go out and prepare some hot water to get ready for the next phase.


After ten minutes, pour hot water into the drain and do it as fast and strong as possible.  If the tub is filled, remove the water before you go back to the unclogging. Repeat the process again and again for five minutes and see if the drain is back to normal operation yet.

Should the clogging has completely vanished then you can pack up, the tub is now returned to the normal operation. In the case it still persists, advance to the next step.

  • Step 3: Use the wire hanger and the plumbing snake

Whatever blocks the drainage should have been considerably weakened by the combination bleach and hot water. Bent the wire hanger into a suitable shape then start poking and twisting around inside the drain interior. When you got a good grip, pry and fish out everything you can reach which should put an end to the clogging.


If you have tried everything and the clogging remains stubborn, it’s time for the plumbing snake to take the stage. It’s a long piece of metal with a spiky tip which will thread across the drainage interior in a circular fashion. When it meets the blockage, the tip shall dig itself into the material until it passes through completely.


The moment you feel the tension is reduced, quickly retract the snake and pull everything put with it. This will clear out any residual or accumulation of foreign element inside the drainage and completely solve the clogging. If even this can’t return your bathtub back to work then it’s the time to call in the professional.

  • Step 4: Clean up

Given that everything goes smoothly, the clogging should disappear by now and the drainage is back to work. However, it’s best that you ensure there isn’t any bleach left in the tub before you use it. Cleanse the tub one more time just to be safe, you can never be too careful around chemicals like bleach.

Wash and store your material for future uses to finish the process.


And that should cover most of the basic point, fairly easy to understand, right?  A malfunction bathtub can cause a lot of discomfort in your daily life. But as long as you know how to unclog a bathtub drain with bleach, it’s barely a problem from now on.

Click Here to Leave a Comment Below 1 comments
Indianapolis Plumbers - March 28, 2018

Since a drain system or sewage is really a essentiasl to get rid of waste water as well as other waterborne wastes tto a distant place.
For the fire suppression system alseo a plumber cqrries a major role
in installing plumbing fixtures with using modified technologies and applications.

Most residential pipes can’t seem to withstand harsh commercial caustic drain cleaners, leading to further damage.


Leave a Reply: