I swap their positions every cycle JIC.
The water stays hotter at max capacity with 2 120s & 2 60s
I refresh it with HOT water for every cycle.
I always use glass. I read about BPA leaching before I even started so figure why chance it.
I don't know if all of our
juice bottles produce it but IDGAS. No plastic in my USC.
Glass should work better anyway.
It'll transfer UC waves better while plastic would soften their effectiveness IMO
I let the bottles aerate during cooling cycles and overnight in a shoebox but rarely
vape it within a week.
Friends say it's good to go the very next day after making it but I like it better with a steep.
What is BPA? Should I be worried about it? - Mayo Clinic
Those BPA-free plastics you thought were safe? Think again.
The Facts About Bisphenol A
Bisphenol A - Wikipedia, the free encyclopedia