Stack your rounds vertically in a single row where cold air circulates. Wait for at least 72 hours of temperatures below 25°F (-4°C). The center of the log must freeze solid. Use a moisture meter if you have one—aim for ice, not slush.
Heavy mauls are overkill for frozen aspen. A 3.5 lb splitting axe or a lightweight maul is perfect. For production splitting, a 4-way wedge on a hydraulic splitter will turn a frozen aspen round into kindling in one second. But honestly, hand-splitting is therapeutic. aspen crack better
because of its superior handling of complex chemical kinetics and solids. Rigorous Kinetics: Stack your rounds vertically in a single row