Simmering Combs are added by the Forestry mod.
Production[]
Simmering Combs can be obtained by Bees of the Infernal Branch, which can only be bred in the Nether.
Uses[]
Simmering Combs produce Phosphor and Refactory Wax when put in a Centrifuge.
Chance - Refactory Wax : 100%
Chance - Phosphor : 70% (x2)