Re: General question
light fluffy pack for most tobaccos.
just below the rim.
tight HD foil.
lots of holes.
depending the the tobacco with heat management, the more heat you use the more smoke you'll get but only you'll know when to stop before burning it.
for heat sensitive tobaccos i use two coco naras on the edge.
for non heat sensitive i use 3 with a windcover and get great results.
water level inch or two above the bottom of the down stem.
add ice if you want, thicker clouds can be produced from colder water although in my experience it can rob the flavor.