Lawmakers in Colorado and Washington are considering spelling out what 's allowed when it comes to making the concentrated marijuana at home . At least 30 were injured in Colorado alone in 2014 in butane explosions involving hash oil . Comment: The laws vary from state to state, but generally speaking : *
Lawmakers in Colorado and Washington are considering spelling out what 's allowed when it comes to making the concentrated marijuana at home . At least 30 were injured in Colorado alone in 2014 in butane explosions involving hash oil . People make hash oil at home to save money , make it to personal taste , or as a hobby .