After 15 minutes take it out and crumble it between your thumb and forefinger. If all the water is removed the weed will crumble easily into powder. Take 3/4 ounce (21 gm) of the dried weed, put it into a blender and add four ounces of alcohol. Run the blender for five minutes at the highest speed, reducing the cannabis to very fine particles suspended in the alcohol. Pour this mixture directly into the reaction vessel.Take the remaining 2¼ ounces of weed and put it into the blender with eight ounces of alcohol. Run the blender at high speed for ten minutes.Fit a large, chemist-type coffee filter into the soxhlet basket and place it into the reaction vessel. (Ed. Note: The reaction vessel already contains the original ¾ ounce of weed in alcohol.)Pour the alcohol and 2¼ ounces of weed in the blender into the soxhlet basket. After all the alcohol runs through the filter paper you have 3/4 ounce of weed and the alcohol in the bottom of the reaction vessel, and 2¼ ounces of weed in the filter paper held by the soxhlet basket.Put the reaction vessel in the machine and run it as per directions for two hours.