Black gunk in bathroom faucet screen

Okay, you have black gunk in the screens of your water faucets.....This is usually found in homes with old metal galvanized water lines that have a well or Hard Water. To permenantly get rid of this problem you should have a water softener installed and replace old water lines. If you already have a water softener then you should replace all of your old metal water lines with Copper or Plastic (Plastic being the cheaper way to go). After many years of use, the inside of the galvanized metal water pipes get a Gunky Skummy Build up on the inside of the pipes from minerals and particals in the water, usually in older homes and farm houses. You will see this Gunk if you take a section of water line apart and look in it. There is no really Cheap fix for this, But if you and a Partner a fairly handy, you can do it yourself with CPVC Plastic pipe and Glue. By doing it yourself you will save alot of money on the cost of labor. If you can afford it, Hire it out to your local handyman or plumber. After replacing the water lines you should no longer get the Gunk build up and may even notice a bit more water pressure....I hope this helps in assisting you to the solution......Joe

NOT ONLY DO I HAVE THE BLACK GUNK ON MY FAUCETS, ALSO IT IS COLLECTING IN THE TOILET BOWLS. I HAVE THE BLEACH PODS IN THE BACK OF THE HOLDING TANKS TO ELIMINATE THIS PROBLEM. EVEN AFTER CLEANING WITH A TOILET CLEANER, THE BLACK MOLDY SUBSTANCE APPEARS WITHIN 2 DAYS OF CLEANING. I HAVE READ SEVERAL ACCOUNTS OF WATER TESTING FOR BACTERIA ETC. WITH NO RESULTS. ANY IDEA AS TO WHY THIS BLACK STUFF HAS APPEARED IN THE LAST YEAR? MY HOME WAS BUILT IN 1999. CAN YOU TELL ME WHAT IS THE CAUSE AND HOW TO GET IT GONE!!!!!!

Question
Here lately I've noticed (occasionally) black stuff coming out of my faucets mixed in the water in my bathroom sinks(I have 2 in this bathroom)and also out of the shower. What the heck could this be? I don't use the other bathroom enough to notice if it is coming out in those pipes or not.
Thanks!

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The first thing I would check is to see if you have a buildup of sludge in the bottom of your water heater. There is a little spigot valve on the bottom of your hot water tank.. put a little pail or bowl under the spigot and open it up a little bit... if the water running out of the tank is 'sludgy' attach a garden hose to the spigot and run it outside or into a nearby sink. Open the valve on full blast and flush all the gunk out of the bottom of the tank until the water coming out of the hose is running clean again.

If this doesn't help or if there isn't any gunk in your hot water tank let me know and we'll look at other possible causes of the black stuff.

As for impurity and various plaque in the bathroom, this is a fairly common situation, I suppose. High humidity always has a detrimental effect on plumbing and furniture. I can advise you on this page, it's a great service with affordable prices. They help refinish tiles and bathrooms, removing dirt and roughness. I like it very much and it also increases the lifespan.

So i get the black gunk build up too in my sink spigot. House w a s built in '88 & we have plastic pipes and a new water heater. Thoughts please.

I went crazy trying to figure out why I was getting the black "mold" spots I'm my toilet too. Like you, I used bleach with no luck solving the problem. One day while repairing a leak between the bowl and the tank, I replace the thick black rubber gasket that sits between the two parts- haven't had black spots in the bowl since. Apparently in my situation, the black spots were caused by the deteriorating gasket. This explains why bleach never helped at all.

I have the exact same problem as described by SUEARNOLD. Did you figure it out?