Will coffee grinds clog my sink?

Yes, they will enter the drain pipe and continue to swell in the drain and are a very common cause of clogged drains. Rice and anything else that can continue to absorb water over time are also things to avoid putting in your drain system... :)

Mark

YES!!

How to Keep Your Home?s Drain System Free of Clogs - Part 1

Quote:

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Do you have a coffee machine that does not use disposable filters to catch the coffee grounds? Many coffee machines use permanent filters or cloth filters. It is very convenient to flush the used coffee grounds down the kitchen sink. Yes, it is convenient, but it is one of the biggest reasons behind clogged drain lines. Coffee grounds stick to everything, should you get some on your hands they do not just fall off. The same thing happens inside your drainpipes, the coffee grounds stick to the inside walls. In most cases the kitchen drain will not clog up the first time you flush coffee grounds down the sink, but if you do it consistently, the question is not; will the coffee grinds clog up my kitchen sink drain? The question is; when will the coffee grinds clog up my kitchen sink drain?

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Thanks, I have heard a lot of conflicting information regarding this. :)

Throw them in your garden, there is no reason to ever put something like this down the drain.

It's not just coffee grounds that will clog your drain it's the combination of coffee grounds and grease built up in the pipe walls that form a clog. Cheers, Tom