for decarbonization for cannabutter : most put in oven at 200-225 temp for 1 hr.. Instead of using oven - one can put cannabis into crock pot on high for 1 hr -then put on low of 3-4 hrs. (one must boil water to put in crock pot (to start) to get at correct temp - (this will be about 180-200 - use thrometer - this water's temp will remain constant for 1 hr on high - then put on low of rest of time. NO oven but get the same results., no oven . no smell. when using the "magic Butter" machine , you need to decab your cannabis first in oven