When using a GVG with pure xtals, some have claimed that you shouldn't see any visible vapor upon exhalation of a full dose (approx. 35mg) if you hold it long enough, and if you do, it's a waste of spice. If this is true, possibly exhaling into a bag or the like would allow me to inhale the visible exhaled vapor again.

I typically see a large quantity of vapor when I exhale, similar to exhaling after taking a hit off a joint.

I am curious what the general consensus is among the well experienced GVG users regarding this.

By the way, it takes me 35-40mg for what I consider to be a full immersion experience.  I am able to take the full dose in one inhalation.  It is always pretty much tasteless, and so smooth that I can't even feel the vapor. No harshness, no taste.........and I am a fan of using my triple torch as it fills the heat filter, and keeps me from having to "circle the wagon" by moving a single torch in a circular motion to distribute the heat across the filter thruout the hit.

By using the triple torch accurately, vapor is generated within the first 2 seconds of my single, full inhalation.

I hold my breath for as long as I comfortably can (around 10-15 seconds)

Any input/opinions would be appreciated