Pot smokers, beware. Here is a Google search I did today on the subject:
The big commercial operators have a way different modus operandi than people who grow outdoors, with untreated water, compost, organic supplements, and sunshine. No electricity for light or fans, no chemical fertilizers or insecticides, no soil-less, hydroponic wizardry.
AND -- I've had conversations with people about vaporizers, costing between $200-600. "Oh, way too expensive." Well, how much are your lungs worth?