1 stem? Damn you must have a really low tolerance or are really lightweight! Not that that's a bad thing of course, I would kill for 1 stem to get me high.
2-3 stems usually, although this usually takes too long so I haven't been using PD that much. I mostly use it in the morning because:
A...
Someone tell me what this is, right now. I am intrigued. :D
Vapro Vaporizer
Finally a handheld portable vaporizer
* No tar, No carcinogens, No Butane. All Flavor
* Sturdy Aluminum casing with Hi Temp Coating
* Hand Cut Aluminum Knobs
* Separate Filtered Air Intake
*...