Although you can use 1/5 to 3/4 of a cup of bleach to clean and deodorize drains, followed by a good flushing of hot water, it will not clear a clog. Bleach is amazing at sanitizing and killing germs, but it won't eat through hair and soap scum that's trapped in the pipes and causing a clog.
Just like cooking oil, bleach is one of those things you shouldn't pour into your sink. You should also never use bleach to unclog your drains. Doing so can even burst your drain pipes, and you'll be left with a nasty and expensive mess.
Bleach isn't going to unclog your drain any more than pouring a glass of water down the sink. Bleach is great for sanitizing your sink and drain and killing smelly germs; it will not break down clogs.
If you use bleach to clean a drain on a nonoperating unit will leave residual bleach, which will damage the drain pan and line as we stated before. Using vinegar for preventative maintenance throughout the year will keep not only keep your drain clean and clear, but it also will not damage your line.
Generally, you should leave bleach in your shower drain for about 10–15 minutes before flushing it down with hot water. However, it's best if you check the manufacturer's instructions for the product you're using.
Bleach is a powerful, toxic substance that should be used carefully and properly, and pouring it down a drain is not a proper use. Bleach can react with other substances in your pipes, potentially release fumes, and further plug up the system.
If your drain is clogged with hair, baking soda can dissolve hair in a drain. To try this safe and easy method at home - first, pour a cup of baking soda down the drain. Then pour a cup of vinegar (white vinegar) down. Allow the mixture to sit for several minutes.
Using Hydrogen Peroxide on a Clogged Drain
You can try pouring some down the drain directly, but for more effective drain clearing, follow these steps: Sprinkle about one cup of baking soda down the clogged drain and wait for 10 minutes. Pour one cup of hydrogen peroxide down the drain and wait for the foaming to stop.
Pouring boiling water down the drain to unclog it most likely won't work. Sure, there's a very small chance it could loosen the clog, but there's a larger risk of softening or melting PVC joints.
While certain cleaners may not be compatible with PVC piping, bleach is usually safe to use in most applications, as long as it's used properly.
Salt & hot water
While hot water can help loosen up debris, coarse salt actually scours the inside of your pipes, removing more material than hot water alone. After removing standing water from the sink, pour about half a cup of table salt down the drain before you pour in the hot water.
How you use bleach is the key to either making or breaking its cleaning power. By using hot water instead of cold/tepid water to create a solution, you can render the active ingredients in bleach ineffective. So for bleach that works, always make sure you dilute it in cold/tepid water.
Pour Some Bleach in It: Bleach, like other disinfectants, kills almost every species of odor-causing bacteria commonly found in drains and sewer lines. So, an easy DIY step to reduce drain odor is to use bleach.
No. Bleach is a very powerful and toxic substance, so you need to take particular caution in what you apply it to – pouring bleach down a drain does not constitute a proper use. Bleach has the potential to react with other substances in plumbing and pipework, and could end up causing further clogging of the system.
Mix 1/3rd of a cup of bicarbonate of soda with 1/3rd of a cup of vinegar in a measuring cup. It will fizz immediately, and you should waste no time pouring it down the clogged drain. The fizzing action will help to remove the gunk, hair, and grime that has built up in the pipe.
Baking Soda and Vinegar
If you plan to use vinegar and baking soda to unclog your drain you should pour 1/2 cup of baking soda down your drain and 1/2 cup vinegar, plug the drain and then let that sit for one hour. After the hour is up, pour a pot of boiling water down the drain.
Baking soda and vinegar are common household products you can use to clean a lot of things. You can also clear a slow drain with baking soda and vinegar with the help of hot water.
When you are using a baking soda and vinegar solution to clean out your drain, you are actually causing the rubber and plastic that are used for the drain's pipes to be eaten away by the mixture. Over time, this rubber and plastic will break down, causing the drain to become even more blocked.
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.
Baking Soda and Vinegar
Mix together 1/3 cup of baking soda and 1/3 cup of vinegar. The result will fizz almost immediately—it's important that you pour it down your clogged drain right away so you don't lose the effects of that reaction.
After about a half hour any hair the bleach is in contact with will dissolve. Bleach dissolves hair and it takes a bit of time. If it doesn't get rid of the stoppage completely then try another application of a cup of bleach. This may not always work.
Pour one cup of baking soda followed by one cup of table salt, and then pour a cup of white vinegar. Wait for ten minutes and then flush it with boiling water. After that, the drain should be clear! Ecofriend does have a disclaimer that if the problem persists after this at-home method, you should call a plumber.