[NonValueAdded]

Wonderful research, great reporting; do you think they could spare a sentence or two concerning what to do about it? Nah. That would be too easy.

[rightwingextremist1776]

I would think dumping Draino down your sinks every once in a while would clean the fungi out....along with a whole lot of other things....

[PowderMonkey]

"Once in every month, a cup in every drain."
Best drain cleaner there is.

[Bigg Red]

Wonderful research, great reporting; do you think they could spare a sentence or two concerning what to do about it?

&&&
Exactly what I was thinking. I went to the link just to get some practical information.

I periodically scrub out the drain area of the bathroom sink down as far as an old toothbrush will reach. I use a bleach based cleaner. I hope I am breaking up the biofilm and offing these disgusting molds, but who knows?