Both baking soda and vinegar are highly caustic. They are, in fact, able to dissolve certain materials that one would not normally think of as being dissolvable. However, the extreme amounts of acid in vinegar, along with its acidic nature, are what cause the drain to become blocked.
The Dangers of the Baking Soda and Vinegar DIY
For one, if done excessively, you may be left with permanent plumbing fixture damage as a result of this DIY. Additionally, it's been proven that this method is unable to destroy fats (e.g., butter, oils, grease) that's clogging your drain.
If the baking soda and vinegar method doesn't unclog the drain, use the salt and baking soda method next. This works best if you do it right before bedtime since the drain won't be used until morning.
Pour 0.5 cups (120 ml) of white vinegar down the drain.
Measure out 0.5 cups (8.0 US tbsp) of vinegar. Pour it into the drain slowly over the baking soda. This will cause a reaction between the two ingredients that should unclog your drain.
Leave it in the drain for an hour or two or overnight, and then flush the drain with hot tap water. For larger drains, such as tubs and kitchen sinks, use about a quarter-cup of baking soda, a half-cup of water to move the powder down, and 2 cups of vinegar.
Baking soda powder will turn into a cement like mass and completely clog everything it settles in. I had a family member dump about three cups down the kitchen sink this summer and I ended up having to replace the trap, tailpiece and dishwasher drain inflow.
It is safe to leave baking soda (and vinegar) to work overnight to unclog a drain. Always flush this mixture down with boiling water—no matter how long you leave it sitting in the drain.
Baking soda and vinegar may unclog your drain better than Drano ever could. Start by getting rid of the standing water in your drain. If it will go down slowly, just wait until it's gone. If it isn't moving, use a cup or a spoon to get it out of there.
A lot of folks know the baking soda and vinegar trick. Simply pour some hot water down your clogged drain and follow it up with equal parts baking soda and vinegar (baking soda first), cover the drain with a plug if you have one, let it sit for 20-30 minutes, then follow it up with more hot water to clear the clog.
Safety warning: Do not pour any vinegar or baking soda into your drain either before or after using drain-cleaning chemicals, such as Drano.
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.
Vinegar. Vinegar is both safe and beneficial to pour down your drain. It acts as a natural cleaning solution and can remove blockages and harmful bacteria that cause foul odors.
In modern houses some of the drain pipes are PVC plastic, and usually the boiling water will just flow through it without causing any damage. But if it goes through the pipe slowly the PVC could the deform.
Some of the leftover baking soda is usually left in the pipe, which can actually make an existing clog worse if the reaction turns it into a sludge that doesn't rinse away easily.
Clean the P-trap. If the water is still not draining correctly, there might be a blockage in the P-trap, aka the elbow-shaped pipe under your sink. Food, grease and other debris may be stuck in the pipe, causing your sink to drain slowly or not at all because the water hits a snag on its way down.
Drop in 1/2 cup of baking soda down the drain. Pour in 1 cup of vinegar, cover the drain with a plug and let sit for 10 minutes – you will hear fizzing.
Using a snake is also more invasive and time-consuming than using a chemical cleaner is, and can often become a dirty job. When it comes to getting at and removing major clogs or clogs that are deep down in your pipes, however, a plumber's snake is your best bet.
A manual drain snake, also known as a plumber's snake or a drain auger, is a small boring tool that rotates slowly as it's physically pushed through a stubborn clog. The terminal end of the device is a corkscrew-shaped hook that is fed into a clogged drain or toilet.
If your snake isn't unclogging your drains, it could be because the thumbscrew is loose, the clog is too severe, or the auger is dirty. Or maybe you just need a refresher on how to use a drain snake. A drain auger (snake) is a simple, inexpensive necessity for every homeowner.
It is Extremely Corrosive For Your Drains
When your pipes are clogged, Drano will sit on top of the clog, continually reacting and generating heat until the clog dissolves. This can put a great deal of stress on your drains as the heat can cause PVC pipes to soften and even break or collapse.
The most common chemicals used to unblock sinks are Drano, hydrochloric acid, or caustic soda. Chemical drain cleaners can be effective at removing even the toughest clogs. They come in different forms, such as powder, liquid, or gel, so be sure to buy one that best suits your situation.
A chemical reaction between the vinegar and the baking soda produces bubbles of carbon dioxide gas. The dish detergent in the vinegar helps the bubbles last longer than they would with just vinegar and baking soda.
Hydrogen peroxide works by eating any organic matter that is clogging up the drains. It dissolves organic matter, turning it into smaller pieces that are easier to flush out.
You can also pour vinegar down the drain on its own.
Pour about 1 cup of vinegar down your drain and let it sit for 30-40 minutes.