Forum Title: Small dark flakes coming out of faucets?
Hi, I have two bath tubs, I'm getting small, brittle flakes which are dark in both of them when I run the water. It happens for both hot and cold water. The flakes are about 1-5 mm in size. They do not smear when I press them. The sinks in the house don't have the same problem (I thought). I didn't realize the sinks have screens built into the faucet heads. I was able to remove the screen from my kitchen sink faucet head. When I run the water there (cold/hot), I get the same flakes coming out, although less. The kitchen faucet screen has a black gasket in it. I was surprised that it smeared a black stain on my fingers when I touched it. Is that expected? I rinsed it off a few times and now it isn't smearing any more. It doesn't look in bad shape or anything. I've called a few plumbing shops, but they said to call the city water department. I got in touch with them, and they mentioned something about it possibly being magnesium, and flushing the lines. They also mentioned something about replacing the water meter. They're sending someone out to take a look. Does anyone have an idea as to what this could be? Any extra info to have would be useful before they arrive so I have a better sense of what's going on. Although the screens on the faucet, and the brita water filter we have probably prevented us from drinking any of the actual flakes, I'm worried smaller pieces may have been getting through, and who knows what the result of that is. Thanks for any help.
Category: Plumber Post By: BRITTANY BATES (Little Rock, AR), 04/25/2017

Change the cartridge.

- CLARENCE RUSSELL (New Bedford, MA), 09/12/2017

Hi, I can't see a model number on them, but they are Moen. The house is about 10 years old (I'm renting), so not sure if they make these anymore. But it's almost the same as their current version: Moen L82694 You pull the handle towards you to start the water, then turn the handle left/right to control temperature. Not sure if that's just the faucet and the valve is a different piece?

- DARLENE REID (Lynwood, CA), 09/23/2017

Yes the smear is expected. And what brand/type tub valves do you have?

- DIANNE OCONNOR (Jefferson City, MO), 10/14/2017

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