Originally Posted by MiGsa
Hmm, well if you take a look at the picture in .pdf file (larger picture), im pretty sure they used quicklight one.
Anyway i guess it should be taken into consideration if person inhales or puffs like a cigar (soz i dont know the exact word of that type of smoking)...
And what effect does it have when you use glass top?
you mean a glass bowl/head, shouldnt make very much of a difference if any, there might be a small measurable difference but i doubt its much if any probably will fall into the standard deviation amounts.