First, fill your extraction tube with the strain you have chosen. Even CO 2 poses dangers, as it can displace a room’s breathable oxygen. Therefore, ensure that CO 2 levels stay below 3,000 ppm. At its most basic, this is a process by which resin is extracted from plant matter by being dissolved in butane , and then purged with heat under vacuum to remove all the gas and leave a high-purity cannabis concentrate.

Lung collapses from BHO are completely unsubstantiated their are a handful of people on the Internet who blame oil for their lungs collapsing but there is no where near enough proof for it I personally know someone who never had a puff of anything in his life and got his lung collapsed in paint ball mishap. Download my free marijuana grow guide at this link and learn to grow marijuana for your own BHO. Prevent any air pockets from forming, and make sure the grass you are using is extremely dry.

There are two easy ways to test BHO for butane: To a careful inspection, oil which still contains butane during the evaporation process will appear cloudy. Vacuum purging your butane hash oil is the best way to get all the butane out.

Of course there is no reason to test for butane in CA cause oil made with chemical solvents like butane is illegal and all oils sold in dispensaries are manufactured sans butane Reactions: Shoff , Quetzalcoatl , Fully Melted and 1 other person If you have any concerns that there is butane left inside, place a flame in contact with it. The explosion of butane laboratories is well publicized, and closed-loop BHO extractors mitigate the risk. To start, place your BHO in the vacuum chamber and heat it to no more than 125 degrees Fahrenheit. Vacuum purging kits are available on Grasscity.com and Amazon.com for $180 to $550 for the heated version. BHO (Butane Honey Oil) Hugely popular across the cannabis world, and probably the most widespread of all extracts.

INSTRUCTIONS: Extract the marijuana.