JoeSpareBedroom wrote:


If the entire supply line (from water main to faucet) is *really* plastic,
then it sounds like there's some sort of corrosion already within the
faucet. I'd call the manufacturer. Are you positive there's not even a short
length of iron pipe just before the faucet, or even a few feet away, perhaps
in the wall or in the basement?

There is some copper in the basement, but this only happens to the one
faucet and only immediately after the water is turned on.

The faucet came with flexible mesh/metal hoses already attached that
hangs down about 8-12 inches from the base of the faucet. These hoses
were attached directly to the plastic. There is also a metal shut off
valve at that joint, for both Hot and Cold pipes.