Hi there,
How is a pulsating ceramic disc creating water vapor unsafe?
It's not the water which caused me worries: once an incident occured and my water turned dirty because my MistMaker had gone critically bad... In the humidifier (2nd case) there still is such a device inside but this time the transducer isn't enclosed, but i do fear (didn't look inside) its electronics are being cooled off by joining both streams (somehow that's
Déjà Vu!! to me!!), euh... So, one probably gets "robo-fart" + cold fog with this 2nd example.
The risks may seem infinitesimal and yet i wouldn't be ready to accept responsability for any incident these "Proof-of-Concept" experiments might cause: it's no proper design for our application and prototypical at best anyway. I don't like electronics in my cannabic path, but that's me...
Additionally, once one read the resource below it becomes easier to figure how the fog will build up a salty taste when using tap water:
On your second contraption...
No, in fact this would correspond to the 3rd one displayed here, previoulsy. That's the one i trust most.
...the water is boiling or bubbling? How does it work?
It's both boiling AND bubbling while my cannabic vapor never goes through liquid water. The boiling-hot water creates pressure under a glass lid featured with a pair of openings, one that supplies hot water vapor and a smaller one which controls release of excess steam. That source of moisture felt too hot for my needs so i force it to make bubbles in cold water, to remove unwanted heat. This cold water will eventually heat up depending how much cold water there is in the bubbler - which also serves as the mixing site. A small diameter plonger-tube
MUST control inlet moisture flow as very little is required.
It looks like a pressure cooker on a hot plate is that right?
Not a pressure cooker but yes. In fact it doesn't really matter much what type of heating plate & pan, whatever, will end up being put to use. I prefer IH plates because they're fast and also safer as only magnetic metal will heat up: the cooking surface remains cold without a proper IH pan. In a microwave oven the situation would reverse as it's the water which heats up
metal organic matter.
What's nice with that 3rd scenario is that mineral salts remain in the pan and that's noticeable after only a short while... Tap water will do.