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.
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.
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.
Unclog Drains
You can unclog drains with the power of acids and bases. Pour about 1/2 cup of baking soda into the drain, and follow it with 1 cup of apple cider vinegar. It will fizz and foam, breaking down the clogs and deodorizing. After about 15 minutes, pour hot water down the drain.
Make sure to use a 1:1 solution of distilled white vinegar and water. Spray it onto the sink, leave for a minute or two, then wipe and rinse. The solution shouldn't be left on the sink for longer because it can damage the stainless steel in the long term.
The answer is yes. While the baking soda and vinegar solution is effective in breaking down a clog, it will also cause your drain to become more damaged. The baking soda's abrasive nature will wear down your drain over time.
Baking soda is a base and vinegar is an acid; when the two are combined, you get a fizzy chemical reaction that has some properties that can eat away at a clog. However, when you use this combination to unclog a drain, it's just plain ineffective.
With time, baking soda and vinegar may work as a natural drain cleaner on weaker drain clogs, and the benefits of regular drain cleaning can help keep your drains free of clogs.
A monthly cleaning will allow you to use safe cleaning methods which will save you time, energy and money in the long term. Combine 1 cup of vinegar, 1 cup of very hot water, and 1 half cup of baking soda and pour the mixture down the 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.
If a kitchen or bathroom sink drain still smells after removing trapped hair and using the baking soda and vinegar, there may be something caught in the p-trap that's causing the odor.
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.
Pouring boiling water is quite risky as it might lead to a steam burn or scalding. Another thing to keep in mind is what type of material you are pouring in into. If you have a porcelain sink, it is likely to crack due to the heat. All in all, pouring boiling water down your drain will only cause issues down the road.
Two to three times a year, flush the drain with baking soda and vinegar. Run hot water down the drain. Pour 1/2 cup of baking soda and 1/2 cup of vinegar with the hot water down the drain. This combo foams up and removes debris, and it also helps kill bacteria and remove odors.
Pour a mixture of 1 cup vinegar (apple cider vinegar works best) and 1 cup boiling water down the drain. (Substitute lemon juice for vinegar for a great-smelling drain ? Plug the drain to keep the vinegar baking soda reaction below the drain surface. Flush the drain once more with 4 cups of boiling water.
You should use a ratio of 1:2 baking soda to vinegar. In other words, if you're using ½ cup of baking soda, use 1 cup of vinegar, or if you're using a cup of baking soda, use 2 cups of vinegar.
The "creepy black stuff" in your drain is made up of a combination of things, mostly decomposing hair, soap scum, toothpaste grit, shaving cream residue, skin cells, etc.
It turns out my high school chemistry teacher was right… the fizzy combination of baking soda & vinegar is INEFFECTIVE when fighting grease clogged drains. Why? Baking soda is a base while vinegar is an acid, their chemical reaction produces water with a tiny amount of salt in it, not a fat destroying drain cleaner.
Dish Soap and Hot Water
Boil about two liters of water and mix in a few tablespoons of liquid dish soap. Take this mixture and slowly pour down the sink.
Dump a good handful of baking soda into the drain, let sit (don't run any water) for 15 minutes, then pour 1/4 to 1/2 cup white vinegar down. Watch the bubbles, hear the pops and fizz, and let it sit for another 15 minutes. Then, boiling water and voila!
Baking soda and vinegar, when mixed together, can form a chemical reaction that looks sort of like an eruption. This chemical reaction can help clear your toilet and any pipe clogs that you might have.
Baking Soda + Salt
Mix 1/2 cup table salt and 1/2 cup baking soda together, and pour down drain. Let sit for about 30 minutes (or overnight if it's a tough clog).
While the phosphoric acid found in cola can help alleviate some minor clogs, carbonated beverages are certainly not the ideal drain cleaner. Better DIY methods include a baking soda/vinegar mixture, a plunger, or a plumber's snake.
For a stubborn clog, try pouring a cup of baking soda and a half cup of salt down the drain and let the mixture stay in the drain overnight before flushing it with two cups of boiling water. The good news is these natural methods will not harm your pipes nor the environment.