Hash oil also known as Cannabis Extract Oil or RSO – is a popular cannabis extract that many home-growers are producing themselves using their trim (trimmed off, trichome-covered leaves) or bud. Simply put, hash oil is the resin from a cannabis plant mixed in with a tiny amount of a solution. In a perfect case, the solution would be totally removed from the hash oil when it’s done. Why is hash oil so great? 1: Super concentrated form of cannabis that’s edible and smokable 2: Easy to make hash oil with typical kitchen items 3: Specialized tools can automate the process 4: Easy to store and dispense in measured amounts…