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Safe and Smart: A Comprehensive List of What Can Go Down Your Kitchen Sink
The kitchen sink is the heart of any kitchen. It is the place where you wash your dishes, prepare your food, and clean your hands. However, it is important to be aware of what can and cannot go down your kitchen sink to avoid any potential plumbing issues and environmental harm.
Here is a comprehensive list of what can and cannot go down your kitchen sink:
- Can go down the sink: Water, liquid soap, baking soda, vinegar, coffee grounds, and small amounts of food scraps (such as vegetable peels and fruit cores).
- Cannot go down the sink: Grease, oil, fat, bones, eggshells, coffee filters, paper towels, dental floss, and any type of plastic.
Remember to always dispose of non-sink-friendly items in the proper way to avoid clogging your pipes and damaging the environment. By being safe and smart about what goes down your kitchen sink, you can keep your plumbing flowing smoothly and contribute to a healthier planet.
Safe and Smart: A Comprehensive List of What Can Go Down Your Kitchen Sink
Introduction
When it comes to kitchen sink maintenance, most homeowners don’t give it a second thought. As long as the water is draining properly, there’s nothing to worry about, right? Unfortunately, that’s not always the case. Many items that we commonly dispose of in our kitchen sinks can cause serious clogs, potentially resulting in costly damages and repairs. In this blog post, we’ll provide a comprehensive list of what is safe to go down your kitchen sink and what isn’t.
What’s Safe To Go Down Your Kitchen Sink?
- Water: Of course, water is safe to go down your kitchen sink. In fact, running water regularly can help keep your sink clean and prevent debris buildup.
- Dish Soap: Most dish soaps are safe to go down your kitchen sink. However, it’s important to avoid using too much, as that can lead to clogs over time.
- Baking Soda and Vinegar: This common cleaning solution is safe to pour down your sink and can actually help keep it clean and fresh.
- Liquid Cleaning Products: If you need to use a liquid cleaning product to unclog your sink, make sure to choose a product that is safe for your specific type of pipes, whether they are PVC, copper, or another material.
What Should You Avoid Putting Down Your Kitchen Sink?
- Fats, Oils, and Grease: These substances can easily solidify and cause major clogs. It’s best to avoid pouring them down your sink altogether.
- Food Scraps: While some scraps, like small bits of vegetables, are safe to dispose of in your sink, larger items like bones and fruit pits should always be thrown away in the trash.
- Coffee Grounds: Though they may seem harmless, coffee grounds can easily build up over time and cause major clogs.
- Eggshells: Like coffee grounds, eggshells can quickly accumulate and cause stubborn clogs.
- Flour: Flour is notorious for absorbing water and causing blockages in your sink pipes.
- Chemicals: Harsh chemicals like drain cleaners can corrode pipes and cause serious damage to your plumbing system.
Conclusion
Taking proper care of your kitchen sink is crucial to ensuring that your plumbing system remains in good condition. By following the guidelines we’ve outlined in this post, you can prevent major clogs and avoid costly repairs. Remember, when in doubt, it’s always best to err on the side of caution and dispose of items in the trash rather than risking damaging your plumbing system. For further information on kitchen sink maintenance and repairs, visit www.thespruce.com.

Frequently Asked Questions About Safe and Smart: A Comprehensive List of What Can Go Down Your Kitchen Sink
Why is it important to know what can go down my kitchen sink?
Knowing what can and cannot go down your kitchen sink is important for preventing clogs and avoiding damage to your plumbing system. Items such as grease and fibrous foods can cause blockages in your pipes and potentially lead to expensive repairs.
What can I put down my kitchen sink?
You can put small bits of food waste, dish soap, and water down your kitchen sink. It is important to scrape any excess food waste into the trash before running your garbage disposal to prevent clogs.
What should I not put down my kitchen sink?
- Grease or oil
- Coffee grounds
- Fibrous fruits and vegetables (such as celery and corn husks)
- Egg shells
- Bones or other hard materials
- Pasta or rice
Why can’t I put grease or oil down my kitchen sink?
Grease and oil can solidify and accumulate in your pipes, leading to blockages that can cause backups and damage to your plumbing system. It is important to dispose of grease and oil in the trash or collect it in a container to be recycled.
Can I grind up eggshells in my garbage disposal?
No, eggshells should not be put down your garbage disposal as they can cause damage to the blades and clog your pipes. It is best to compost or dispose of eggshells in the trash.
Can I put cleaning chemicals down my kitchen sink?
No, cleaning chemicals should not be put down your kitchen sink as they can corrode your pipes and potentially harm the environment. It is best to dispose of cleaning chemicals according to local guidelines.

What should I put down my kitchen sink?
Why it’s important to be mindful of what goes down the drain
As tempting as it may be to wash everything down the kitchen sink, it’s important to be mindful of what ends up in your drains. Not only can certain items clog your pipes, but they can also harm the environment and your local water supply.
What to avoid putting down the drain
Some common items that should never go down the kitchen sink include:
- Grease and oils, which can solidify in pipes and cause blockages.
- Coffee grounds, which can also cause clogs and attract pests.
- Eggshells, which can break down into tiny pieces and stick to pipes, eventually causing blockages.
- Fruit and vegetable peels and rinds, which can also clog pipes and cause unpleasant smells.
What to put down the drain
It’s best to stick to putting only water and small amounts of dish soap down the kitchen sink. If you need to dispose of food scraps, consider using a compost bin or garbage disposal (if available).
By being mindful of what goes down the kitchen sink, you can prevent clogs and help protect the environment and your local water supply.
Sources: EPA, City of Seattle.

Introduction
Using your kitchen sink properly can help prevent plumbing problems and keep your home safe from hazardous waste.
What You Can Put Down Your Kitchen Sink
- Water
- Small amounts of dish soap
- Biodegradable food scraps
- Liquid grease traps
- Coffee grounds (in small amounts)
- Diluted acids (such as vinegar)
What You Should NOT Put Down Your Kitchen Sink
- Fats, oils, and greases (FOGs)
- Bones and fruit pits
- Non-biodegradable food scraps
- Chemicals, such as bleach and drain cleaners
- Paints, solvents, and other hazardous liquids
- Medications and personal care products
Tips for Safe Kitchen Sink Use
- Wipe excess oil and grease off dishes and pans with a towel before washing them
- Use a sink strainer to catch food scraps and throw them in the trash
- Dispose of hazardous waste properly using local collection programs
- Recycle and compost whenever possible to reduce waste























