Originally Posted by Hayter
What type of coals are you using on your hookah? The headache could be caused by too much carbon dioxide. If you are using quicklites switch to Naturals when you can. The harshness most of the time atleast with regular tobacco, is when you are burning the tobacco. Which is caused by too much heat. The herbal stuff may be a lot more heat sensative.
I guess I should switch to naturals. How long do they take to heat up?