Thanks folks!
Will give it the ole vinegar try, with a good soap and water bath.
And will pickup distilled H2O on the way home.....

OK - I know this is gross but freaking me out. I use a Resmed with attachable humidifier. I used tap water and tried to change it daily. ONe night changing the water, I noticed white "stuff", looked like fuzz, floating up around the heating element. Using long q-tips, tried to wipe it out, and it tu...