Natural Charcoal Mangrove CharcoalHi heating.Less crackling and sparking. Less odor.Coconut Shell CharcoalRegularly heating.Less crackling and sparking.Less ashes than others charcoal.Less odor. Hardwood CharcoalHi heating.Less odor.Longon CharcoalHi heating.Less odor.Bamboo CharcoalRegularly heating.Less odor.