Will baking soda and vinegar damage pipes?

Yes, while often suggested for minor deodorizing, repeatedly using baking soda and vinegar can harm pipes by creating pressure, potentially eroding older metal pipes, and the mixture itself isn't strong enough for tough clogs, often just turning into salt water and residue, making professional snaking or plungers better for blockages. For modern PVC, the risk is lower, but the solution is generally ineffective and can worsen clogs or damage delicate parts, so it's best to avoid it for serious issues.

Why does a plumber expert warn against using vinegar and baking soda on drains?

Baking Soda and vinegar, when combined, causes a combustible chemical reaction (nothing crazy mind you, think volcano in your grade school science class.) This can unknowingly cause damage to your plumbing, especially if there are other unknown materials somewhere in your pipe system.

Will vinegar hurt PVC pipes?

No, vinegar is generally safe for PVC pipes because it's a mild acid that won't corrode the plastic, making it a good choice for cleaning mineral buildup or mold in drain lines, unlike harsher chemical cleaners. However, avoid using very strong vinegar (like industrial grades) and remember that combining vinegar with baking soda creates fizzing CO2, which could build pressure in a completely blocked pipe, so flush well with water afterward and use it for maintenance rather than tough clogs.
 

Is baking soda and vinegar safe for metal pipes?

Myth 3: It's Harmful to Pipes

Reality: Baking soda and vinegar are safe for most modern plumbing systems, including metal and PVC pipes. Using baking soda and vinegar is an easy, eco-friendly way to keep your drains clean and prevent clogs.

What do plumbers recommend to keep drains clean?

Maintain clean pipes.

Use white vinegar to maintain clean kitchen and bathroom drains. Periodically, pour a half cup down the drain, let it sit for at least an hour (the longer, the better), and then run water down the drain. Add baking soda to break up clogs.

Save $400 — What Plumbers Don’t Want You to Know

What is the best drain cleaner that won't harm pipes?

For drain cleaners that won't damage pipes, your best bets are enzymatic/bacterial cleaners like Green Gobbler, Bio-Clean, and homemade solutions (baking soda/vinegar/hot water), as these use natural processes to break down organic matter without harsh chemicals, making them safe for all pipes, including older ones and septic systems. For quick fixes or tough clogs, enzymes are excellent for grease, while baking soda/vinegar works for minor buildup, but always avoid caustic chemical cleaners if pipe integrity is a concern. 

Why pour vinegar down the drain in October?

Homeowners urged to pour vinegar down drains this October to fight weather damage - here's the logic. Heavy rain can block outdoor drains and cause flooding. Experts say homeowners can use vinegar and baking soda to keep drains clear. Adding filters and grates helps stop leaves and debris.

Can you put too much baking soda and vinegar down the drain?

What happens if you put too much baking soda in a drain? If you put too much baking soda down a drain onto a clog, it can sit on the clog and become a solid mass, particularly when subjected to more and more water. This will worsen the blockage and make it even harder to remove.

What should you not pour down the drain?

Avoid clogs in the kitchen

• Grease. Grease poured down the drain builds up inside the pipe and eventually clogs it. ...
• Coffee Grounds. ...
• Egg Shells. ...
• Fibrous Foods. ...
• 5. " ...
• Paper Products. ...
• Feminine Hygiene Products. ...
• Cleaning Products.

Why not mix baking soda and vinegar?

You shouldn't mix vinegar and baking soda for cleaning because they neutralize each other, creating mostly water and salt (sodium acetate) with some carbon dioxide gas, making them less effective than using them separately; the fizzing is just temporary gas escaping, not powerful cleaning action, though the bubbling can help dislodge drain gunk or loosen grime mechanically before it dissipates. The main risk is using them in a closed container, where the CO2 buildup can cause it to burst, but generally, it's safe, just not super powerful as a combined cleaner.
 

Does vinegar dissolve hair in drains?

Vinegar and baking soda don't truly dissolve hair (which needs strong chemicals or enzymes), but the fizzing reaction creates pressure and agitation that helps loosen hair and soap scum, making it easier to flush away with hot water, especially for minor clogs. For tough hair clogs, you'll likely need to physically remove the hair with a drain snake or plunger after the vinegar/baking soda treatment, or use enzymatic cleaners for a deeper break down.
 

Will baking soda and vinegar damage PVC pipes?

Yes, baking soda and vinegar are generally safe for PVC pipes, as PVC is resistant to the mild acidity, making it a popular, eco-friendly option for minor clogs and odors, but it's better for maintenance than tough blockages and needs a good hot water flush afterward to wash away residue. While the fizzing reaction (carbon dioxide) creates pressure, it's usually not enough to damage modern PVC unless the drain is completely sealed, and the resulting sodium acetate is not corrosive to PVC. 

Why pour vinegar down sink in November?

As Megan Doser, plumbing and HVAC expert and the owner and CEO at Doctor Fix It Plumbing, Heating, Cooling & Electric, adds, the reason it's important to do this quick and simple task in November specifically is that outdoor temperatures drop at this time of year, which can affect drains, as drain pipes often run ...

What is the best homemade drain cleaner?

The best and most popular homemade drain cleaner is the Baking Soda & Vinegar method, which uses a fizzy reaction to break down grease and grime: pour ½ cup baking soda down the drain, followed by ½ cup vinegar, cover the drain, let it sit for an hour or overnight, then flush with boiling water to clear the clog. Other effective options include adding salt to baking soda or using a mix with Borax for tougher clogs, all flushed with hot water.
 

What do plumbers say about baking soda and vinegar?

While baking soda and vinegar are often hailed as natural, non-toxic alternatives to chemical drain cleaners, that doesn't mean they're harmless when used improperly. Over time, the acidity of vinegar can cause wear on certain types of pipes, especially if they're old or made from materials like PVC.

Is vinegar safe for old pipes?

While harmless for most metal and PVC pipes, prolonged exposure to the acidic nature of vinegar might corrode certain metals, like copper. PVC pipes, on the other hand, can withstand these substances without damage.

Can you let vinegar sit in the drain overnight?

To clear a clogged drain, pour 1 cup of baking soda down the drain, followed by 1 cup of vinegar, let it sit for 2-3 hours or overnight, then rinse with hot water.

How do professionals clean drains?

Professionals clean drains using specialized tools like drain snakes/augers to physically break up or pull out clogs, hydro-jetters that use high-pressure water to scour pipes clean, and sometimes video cameras to diagnose issues before cleaning, tackling tough blockages like grease, soap scum, or tree roots that DIY methods can't handle, ensuring a thorough, long-lasting clean. 

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

You should avoid using baking soda and vinegar for tough clogs because the fizzing reaction creates carbon dioxide and water, which is often not strong enough to dissolve blockages, can push clogs further down, and might even damage older pipes or seals with repeated use, as the fizzing is misleading and doesn't provide real scrubbing power; Reddit users and plumbers often suggest mechanical methods like plungers or snakes instead.
 

What should you NOT clean with vinegar?

You should not clean natural stone (marble, granite, limestone), electronic screens, waxed wood, cast iron, aluminum, or unsealed grout with vinegar because its acidity can etch, dull, or corrode these surfaces; also avoid it on rubber seals and inside dishwashers/washing machines where it damages components. Always dilute vinegar and consider manufacturer guidelines, opting for specialized cleaners for delicate items.
 

Why do plumbers say not to use drain cleaner?

Damage to Pipes: Chemical drain cleaners work by creating a heat reaction that dissolves the clog. Unfortunately, this heat can also warp or damage plastic pipes and can corrode older, metal pipes. Over time, repeated use of these cleaners can lead to leaks and other serious plumbing issues.

How do I know if the clog is deep in the pipe?

Signs of a Deep-Clogged Pipe

1. Unpleasant odors.
2. Gurgling and other strange sounds.
3. Slow-draining and standing water.
4. Frequent backups and clogs.
5. Backups that appear in showers or other areas when your flush your toilet or turn on appliances that use water.
6. Visible sewage backups.

What is the black stuff in my shower drain?

The black stuff in your shower drain is usually a harmless "biofilm" or "black sludge" made of hair, soap scum, skin cells, grease, bacteria, and mold/fungus thriving in the damp environment, often dislodged by water flow or clogs. While typically safe, it indicates potential buildup that can slow drains, and you can clean it with hot water, baking soda/vinegar, or manual removal; if it smells like sewage or you have serious backups, it could be a more serious plumbing issue like a vent pipe obstruction.