i put them on the stove till i see that most of the coal is red. if there are some parts that still are black its ok because i take them out put them in the hookah tray and blow on them for 10-15 sec till the heat moves and turns the whole coal red. what kind of stove do you have a flat top or actual flame?
Originally Posted by ArcadeImp
I've never had that problem. Exoticas are great coals. Perhaps you are overheating them on the stove?? I've noticed if I ignore them on the coil and let them heat up for too long they form small cracks that split the coal when moving them. How long are you keeping them on the coil?