Originally Posted by TheHookahStore
I haven't seen any disc shaped natural coals. The best ones I can recommend are the Coconara. They don't ash much and burn at a very consistant temp and last a long time. They are a nice size but they are squares. Two of them do a great job on most sized bowls, or 3 if you are using a larger funnel bowl.
Belgian Naturals are 40mm disc, exactly the same as their quicklights and great quality.