Skip to main content
Press to call 1300 303 247

Do Coffee Grounds Block Drains? 

It is a popular myth that coffee grounds are fine to put down your drain, or even good for it.

Many people believe that coffee grounds will actually help clear your drain or remove a bad smell, but this could not be further from the truth.

Coffee grounds clump together and can cause significant problems over time. Do coffee grounds block drains? Absolutely, they do.

coffee beans

Coffee Grounds Block Drains

Pouring coffee grounds down the drain is one of the most common causes of blockages, mainly because so many people fall for the misconceptions out there. Putting coffee grounds down the drain is never a good idea, unless you want to have a visit from a plumber to fix your clogged sink.

Most people know that grease, oil, dairy products, starchy foods or fibrous items (such as eggshells) can build up over time and cause a drain blockage. Unfortunately, few people stop to think “Can coffee grounds go down the drain?”, because the myths about coffee grounds being good for drains are so prevalent.

   Blocked Drains

Nobody wants to deal with a blocked drain. If you find that you are dealing with drain issues, whether that is because you have grease in your drain, coffee grounds or any other substance, it is always best to turn to the professionals for help.

     Slow Drainage and Backing Up

Coffee grounds in the drain do not always cause a complete blockage, with them often resulting in slow drainage instead. Slow drainage will likely end up leading to a complete blockage at some point.


Even if you like the smell of coffee grounds, blocked drains can result in other smells that you are not likely to enjoy. If coffee grounds are the cause of the blockage, they will absorb smells from all of the other foods and liquids you put down the drain.

If there is a strange smell coming from your drain, that may be a sign of further issues, which means it is time to get them checked by a professional.

     You Are Wasting Coffee Grounds

Coffee grounds can provide a great benefit to your garden. Alone, they can often be too acidic for plant life, but if you mix coffee grounds with other garden waste as a compost, there is no need to put your coffee grounds down the drain or in the bin. Even if you do not have much of a garden, consider giving your coffee grounds to someone who can put them to good use.

coffee grounds from toilet

Think Your Drain is Blocked with Coffee?

If you are having any troubles with your sinks, drains and pipes, the Drainpro team is here to help. We have the experience and equipment needed to understand and resolve any drain issue. Our drain inspection cameras will help us quickly identify the problem, so that we can get to work clearing the blockage.

Get in touch with the Drainpro team on 1300 620 273, or by completing our online contact form, and we will get your drains working perfectly again as soon as possible.

Enquire Now

Click here to give us your feedback

Our friendly staff are happy to take your call at 1300 303 247, or fill out our online plumbing and drainage instant quote form.