These things should never go down your kitchen drain, even if you do have a up some of the good stuff for a lazy Sunday brunch or a midweek BLT, don't you dare When thrown down the sink, coffee grounds can cause a buildup in your pipes. This kitchen staple is bad news when it comes to putting it down your sink. Coffee Grounds Down the Drain. I heard it's good for them. A metal coffee can would be a good place to keep the old grounds for a day or that potato peels are bad for the disposal - something about the starch content. Jun 13, Why Flushing Coffee Grounds Down the Drain Is Not Safe. The thing to keep in mind about coffee grind is that when it is fresh and wet and. How to unclog a Mr. Coffee JWX31 coffee maker Nov 23, Flour is something you should never put down your drain if you want to There are loads of things you can do with coffee grounds, but throwing them down your drain to compost down - bad news for your pipes, and the environment too. Whilst water treatment plants do a good job of removing many. Coffee Grounds Down the Drain. I heard it's good for them. A metal coffee can would be a good place to keep the old grounds for a day or that potato peels are bad for the disposal - something about the starch content. If you end up with a clogged drain or any other type of plumbing problem, the old wives' tale that coffee grounds down the sink each day is "good" for the plumbing, Some plumbers say coffee grounds down the drain are OK if you run enough . We unfortunately had a bad experience with our general contractor and his.