Started 1 year, 3 months ago (2008-09-19 12:16:00)
by CCafe
The one way valve only allows gas to flow out of the bag. Since your putting the beans in the freezer your cooling everything inside the bag down to 0F or possibly lower it means the air inside the bags is going to shrink to a small degree. Since that valve will not allow the air in the bag equalize with the ambient air in the freezer it pulls the bag in tight on the coffee like it has been ...
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