I'm looking to get completely fried
You can get completely fried. The color of your After-Been-Vaped (ABV) material can be anywhere from tobacco colored (yellowish) to dark chocolate. The darker the color, the more spent the material is. If you are running at 3 or 4, you could do at least 2 12-minute sessions to deplete the medicine. If you have potent medicine, as a occasional user you should get off great.
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any special breathing techniques
Long and slow. Too fast, it cools the heating chamber.