- Joined
- 4/8/18
- Messages
- 2,877
I have a Levoit cool and warm mist humidifier that I've been using for about two years now. Recently, I started to wonder if it was safe to add a little F10 into the unit while it ran and if the warm mist setting wouldn't turn it into a mustard-gas-like effect. I've read a few posts of members using F10 but not much on adding it to the humidifier. What do you think?