> Now that I look closer it is a fixture thread bolted from bottom. The
> rubber is black (why would they use a black washer???). Looks like I
> got most of the Black Mold. Will give the threads another bleach
To be honest, I think the fear of "Black Mold" is more driven by money
than it is by anything else. As long as people are willing to pay big
bucks to eliminate black mold from their homes, there will be people
overstating the potential health problems those molds can cause to keep
that money rolling in.
Yes, you can get really sick, have internal organs fail or even die from
ingesting "mycotoxins" from certain kinds of fungii, but those kinds of
health problems only happen when you ingest huge amounts of those
mycotoxins, and that usually means eating the wrong kind of mushrooms.
There's lots of people that have molds growing all over their basement
and bathroom walls, and never give it a second thought. I wouldn't
worry about any black stuff you see growing in the wet areas of your new
condo unless you have good solid reason to suspect that it's affecting