the whole closed loop thing is a pita. There is no reason for butane to be expensive, propane is cheap and has added products and to get pure propane is even more expensive than butane? Ever see a petrol refinery? all the fire coming out those stacks has alot of butane in it. its a waste product they have more butane than they can store so they just burn it 24 hours a day.. The safest way to handle it would be to have a burner on the end and burn it as it expels, it will always flow to...
closed loop rant
from Concentrates and Extracts Read more about cannabis concenrates
closed loop rant
from Concentrates and Extracts Read more about cannabis concenrates