This is from the Morso website.
Take that VC
http://www.morsoe.com/us/Before_buying/Fuel_types/
You can check yourself whether the firewood is sufficiently dry by smearing detergent on one end of a log and blowing through the other. If the soap bubbles, the firewood is sufficiently dry.
Take that VC
http://www.morsoe.com/us/Before_buying/Fuel_types/