Well its normal to have this happen water when its sitting in the pipe it picks up the rubber from in shower cartridge then it will come out for the first couple of seconds black or dirty water.
Black water out of tub faucet.
A burst of black water from faucet is pretty common in old houses as well.
Natural resin beads from your water softener are often black in color like charcoal.
Three main contributors can cause black water coming out of the tub faucet.
Under the right conditions with the right natural minerals and elements in the water like magnesium then you could get black water out of the faucets.
When the black specks only appear when you re running hot water the first place you should look is the water heater.
While this mineral is often present in the water supply when it mixes with oxygen it can turn black.
In some cases tiny pieces of the pipe can break off and come out of the faucet.
The old rubber in the flex hose started to deteriorate and rubber particles got into the water.
Like anytime water is turned off in a house to make a repair or work on something it loosens up minerals that have built up over time and then will be released in to the system and out the faucet.
If the piping system dates for ages chances are it might need replacement at some point.
It moves through the water pooling in the tub sink like a black cloud.
Before you make any steps to resolve this issue you must understand the cause so then you can efficiently resolve it once and for all.
Sometimes only a sort of gray.
There are three main reasons this might take place.
It discharges only for a few seconds when it appears.
The blackness leaves no sediment or physical particles specks when settling.
I am also seeing the same blackness in the water coming out of of the bathtub faucet.
It s a good idea to have a licensed plumber inspect your plumbing to see if old pipes are in your home or the municipal system.
There are small signs that may indicate an issue.
If you see black specks in the hot water only the water heater is probably contributing most of the rust whether or not you have galvanized pipes.
The discharge is not uniform.
If you saunter into the bathroom and turn on the faucet to find a burst of black water you likely want answers right away.
When the water heater liner corrodes which isn t unusual if it s old enough most of the rust settles at the bottom of the tank but some swirls around and exits through the hot water outlet.
Sometimes the water softener can break down and the resin beads can get out and into the water system.