best temperature to purge bho

Heat purge BHO with vacuum ovens. The most recent batch I made we used freshly boiled water. Butane’s boiling point is -1°C which makes controlling the amount of vapor pressure relatively easy in a butane-only extraction as that temperature is achievable with a small amount of cooling power. When you first start out making BHO the initial outlay required to buy a decent vacuum oven can be a bit daunting, but if you buy a cheap one off eBay, or worse yet, don’t use anything at all, the quality of … While you may not have the capacity to purge your extract with an inert gas (e.g. This allows the BHO to remain liquid and for the butane to more easily escape without getting trapped. We offer a variety of oven sizes, vacuum pumps, and accessories, all of which will help you get the job done right. i get my water to between 135-142 degrees Fahrenheit and then set my glass jar in the pot. Running the vacuum to completion can take anywhere from 10 to 20 minutes. The process consists of exposing the extract to a certain temperature in a vacuum environment, at an extremely low pressure. How to purge it? i use a thermometer for this part. When you have a solid, crystallized product, you will have BHO with amounts of butane that are barely traceable. Ai vacuum ovens are the best solution to simultaneously increase production and consistency, while minimizing processing time. dried CO2 gas), you do have the ability to extract BHO at room temperature and pull a full vacuum, assuming you have a vacuum chamber. The ideal point for BHO is to hit below that, at -29.5. The best way to purge without a vacuum is to use a very accurate oven that can hold the temp at 170f - 175f, spread the Bho as thin as possible on parchment paper (after your initial waterbath purge) to create as much surface area as possible. Step 4: Cold Purge. Just make sure you extend your purge times a significant amount to allow the alcohol to evaporate all the way off. I've read that the temperature of the water used for purging can make a big impact on the color and taste of wax. A vacuum oven is the best option for removing butane from BHO, as it maintains temperature and pressure constantly better than other methods. Either way, this step will reduce the amount of waxes that are butane soluble by reducing temperature. Here is a short video shot at the macro level which shows some recently-extracted mixed strain BHO being purged in a hot water bath. Now that you know how to use a vacuum pump for BHO, let’s look at the two best money can buy. This allows the liquid butane to evaporate much faster. The best way to purge your BHO is with a vacuum oven, and a good one at that. The principle of this type of purging is as simple as the traditional system, which uses a laboratory heating plate and a vacuum chamber for BHO (with its corresponding vacuum pump). In this case, simply set the oven to 96.8º F (36 °C) and connect its vacuum pump for about 100 hours. Prior to blasting I preheat the pyrex dish in the oven (lowest setting, 170F). now this temperature is very important because it is hot enough to get the butane to rise to the top of your concentrate and evaporate out, but not so hot to where you burn your concentrate and turn it an unwanted green color and loose its good taste. Once the liquid is gone, I move the pan to the oven and turn the temp on and off every 10 minutes for about an hour. Temperature control and uniformity Consistent, stable temperatures Optimal vacuum levels. Must have dropped down only to 200°F before replacing it, and it turned out a dark brown color, pull-and-snap consistency. BHO should be produced by a reputable extractor who understands how to properly purge each run to avoid unpleasant aftertaste or harsh residual butane. Is this true? I don't have a vacuum so I just use a low-temp oven purge for my BHO runs (small scale, <1g oil). However propane’s boiling point is -43°C, which requires much higher vapor pressure and cooling when running at temperatures higher than -43°C. The temps you use to purge can be about 20f higher than the vacuum method to achieve the same finishes.

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