"Has anyone replaced the liquid on the new lamps? I have a grande from 2017 that is balanced to run with zero propylene glycol. Just straight up distilled water, which of course is much easier to freeze than a lamp with say 30% propylene glycol."
"There's somebody on Reddit who added bleach to an Astro mini to change the color of the liquid. I'm sure a little bleach would help prevent growth, although I don't know how the wax would react long term. "
"Since you are experimenting with propylene glycol you may be interested in this old patent.
In it Mr Walker describes using 30% pg to improve startup time and lessen the effects of ambient…"
"Adding perc to paraffin makes a form of chlorinated paraffin, but perc is toxic and most attempts at using it result in wax that eventually loses its proper balance. Chlorinated paraffin is used in industry, but I haven't seen a source for…"