What you should never put down the drain
James Bradley
Updated on March 28, 2026
Coffee Grounds. Since coffee grounds are not completely water-soluble, when grounds mix with butter, oil or grease already coating the pipes, there’s an increased risk for clogs.Butter and Margarine. … Cooking Oil. … Grease and Other Fats. … Eggshells. … Medication. … Pasta. … Rice.
What are the only 3 things that should go down a drain?
Flush Only The Three P’s. What it all comes down to, is to keep what goes down the drain to the three P’s – pee, poop, and toilet paper. Anything else will eventually do damage to your property’s plumbing, the city’s waterworks, and the environment.
What Cannot go down the drain?
Food and grease should never go down the drain of the kitchen sink. … Occasionally use boiling hot water to flush the drains to help prevent clogs. You can dump coffee without the grounds, milk, tea, anything you drink that is solid-liquid in a kitchen sink.
Is it OK to pour vinegar down the drain?
Fill the sink with very hot water and leave it for one to two hours. … If you suspect a grease clog, a mixture of very hot water and vinegar can also help melt and remove the grease that’s blocking the pipes. Allow it to work for a few minutes, then use a plunger to help move the clog along.What is safe to put down the drain?
Experts suggest following the “three P rule” for keeping sewer drains clear–only Pee, Poop and (toilet) Paper is good to go when you’ve got to go. Feminine products, flushable wipes, condoms, baby wipes and other hygiene products are bound to bind up your sewer line.
How do you dissolve hair in a drain?
Combining baking soda and vinegar is a natural way to dissolve hair clogs, without resorting to harsh chemicals. Pour a cup of baking soda down the clogged drain first, and then after a few minutes add a cup of vinegar.
Can baking soda and vinegar damage pipes?
Even newly installed plumbing can pose problems out of the blue. … In reality, even simple DIY methods like the baking soda and vinegar technique that’s often used to clear a drain clog, can be harmful to your plumbing system.
What can I put down the toilet?
- Facial tissues.
- Baby wipes, disinfectant wipes, moist wipes, etc.
- Toilet bowl scrub pads.
- Swiffers.
- Napkins (paper or cloth), paper towels.
- Dental floss.
- Egg shells, nutshells, and coffee grounds.
- Fats, oils, and greases.
What is the best homemade drain cleaner?
Mix 1/2 cup baking soda with 1/4 cup table salt and pour down the drain giving you trouble. Follow by pouring 1 cup of heated vinegar down the drain (it will foam and bubble). Cover the drain with a plug or duct tape to prevent the mixture from escaping. Let it sit for 15 minutes.
Should I pour milk down the sink?Dumping milk down the drain can be harmful to the environment and impact it in ways you never imagined. … Bacteria that feed off the discarded milk use up the oxygen, leaving fish and other small organisms with less. Disposing of milk this way can ultimately suffocate water life (via DS Smith).
Article first time published onCan detergent go down the drain?
Typically, liquid detergents will not clog pipes, in either your washing machine or your dishwasher. There is a slightly increased risk of clogging with powdered detergents, but as long as you use the correct amount for the appliance, you shouldn’t experience issues with pipe or drain clogging.
What kind of chemicals can be washed down the sink with water?
- Concentrated and diluted acids and alkalis.
- Harmless soluble inorganic salts.
- Alcohols containing salts.
- Hypochlorite solutions.
- Fine silica and alumina.
Is bar soap bad for drains?
Bar Soap. You wouldn’t think soap is capable of clogging your drains, but it definitely will. Bar soap has a habit of re-solidifying in your drains, leading to clumps of it forming into a large, goopy mass over time that will eventually cause a blockage. … As with hair clogs, avoid using chemical drain cleaners.
Is putting coffee grounds down the drain bad?
Unlike most foods, coffee grounds clump together in water rather than breaking down. With time, the grounds can build up inside your sink drains, creating clogs that can prohibit the drains from doing their job. Coffee grounds should always go in the garbage can or compost.
What kind of vinegar unclogs drains?
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.
How long do I leave baking soda and vinegar in drain?
- Let hot water run for a minute to warm up the pipes.
- 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.
- Rinse with more hot water.
What dissolves fat in drains?
The most effective cleaner to make at home is a mixture of half hot water and half vinegar. You can also pour boiling hot water down your drain to help soften the fat and grease within your drains, helping it to move along down the pipes.
What eats hair in a drain?
Bleach can dissolve any fiber that has acidic properties. Next time you have a bathroom sink, shower, or bathtub draining slow try pouring a cup of liquid bleach into the drain. … 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.
Does bleach unclog drains?
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.
Will Coke dissolve hair in a drain?
Coke or Pepsi are great for vanquishing a clog! … Coke and Pepsi are loaded with phosphoric acid, which breaks down buildup that can clog your drains! Phosphoric acid can even remove lime scale and other tough buildup that regular cleaners struggle with. This is an effective and refreshing home remedy if we ever saw one!
What is a natural drain opener?
Baking Soda + Vinegar Pour 1/2 cup baking soda, followed by 1/2 cup vinegar down drain. Plug drain, and let sit for one hour. Then, pour a pot of boiling water down drain. Repeat if necessary.
Does vinegar dissolve hair?
Mix Vinegar With Baking Soda Use vinegar mixed with baking soda to dissolve drain hair! The acetic acid in the vinegar mixed with the baking soda creates a powerful solution that puts the kibosh on drain hair. … Pour it down the drain to loosen the hair. Mix 1 cup of vinegar and 1/4 cup of baking soda.
How do you clear drains naturally?
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!
Is it OK to flush condoms?
Unfortunately, flushing condoms is also one of the most dangerous things you can do to your plumbing and septic system. … Constantly flushing condoms down your toilet will most likely cause a buildup of latex in your pipes and septic tank, which may lead to clogs and a failing septic system.
Is it OK to throw food down the toilet?
So, Can You Flush Food Down the Toilet? The short answer is, no. … And because food scraps can potentially clog your sewer line and back up raw sewage into your home. (Food doesn’t break down as easily and quickly as human waste and toilet paper, which are the only two things that should ever be flushed down a toilet.)
What should you not put in a toilet?
- Baby Wipes. Yes, even the ones that say they’re flushable. …
- Q-Tips & Cotton Pads. …
- Menstrual Products. …
- Condoms. …
- Diapers. …
- Dental Floss. …
- Paper Towels & Tissues. …
- Medication.
Can I put yogurt down the drain?
If you have a clogged or slow-draining drain pipe, a cup of plain, unsweetened yogurt may help the drain. The enzymes in the yogurt eat away at the sludge in the drain, which may help loosen or unclog any blocks in the drain. Placing yogurt down a drain can help prevent sludge, buildup and clogs from forming.
What should you not put down a kitchen sink?
- Pasta. Your drainpipe has a fixed width. …
- Rice. Like pasta, rice will continue to take in water. …
- Egg Shells. Egg shells are a problem in two ways. …
- Coffee Grounds. …
- Cooking Oils and Fats. …
- Food Fat. …
- Stickers. …
- Fruit Pits.
Is spoiled milk good for plants?
Diluted expired milk is great for watering your plants! Calcium is a nutrient essential to plant health. Specifically, calcium is responsible for supporting cell walls.
Can I pour milk down the drain?
However, research has shown that pouring milk down your drain is terrible for the environment. It takes a lot of oxygen to break down milk, taking oxygen away from living organisms that need it to survive. Large amounts of milk have even been known to suffocate entire ecosystems.
Can you pour Clorox down the drain?
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. … Pouring bleach down them will do much more harm than good.