Quote Originally Posted by cls515
I was told to stay away from PG, because it can affect the taste of a cigar. In addition, I have read on the internet while researching PG that it is harmful to health. But then again, so is smoking, so who cares?
Seems to be okay but who really knows...

Ethylene & Propylene Glycol

Quote Originally Posted by joshua
Sounds like what I did. Tossed the black rectangular credo and got the rectangular aluminum bead humidifier. Works great now.
Joshua...where did you get rectangular aluminum bead humidifiers if I might ask, please?