Why does my rosin come out dark? 420 Guide for Cannabis Growers

If you’ve ever gone shopping for a cannabis extract you have probably seen how much variety there is. Light or dark extracts, clear or opaque, gooey or hard and brittle; there are a lot of options.

In fact, there are a variety of reasons to prefer darker concentrates.

Factors Affecting Rosin Clarity

• Quality of the input material—higher quality input means higher quality output
• Age of the input material—the best time to process material is right after it has finished drying and curing
• Temperature at which the material is pressed—lower temperatures mean better clarity, but lower yields

Quality Starting Material
The most important factor that affects clarity when producing rosin is the quality of the material that is being pressed, whether it's squishing bubble hash, kief, or flower. For better or worse, what is considered “great” cannabis versus “average” is highly subjective and depends on what someone is looking for - the factors that determine “quality” can be vastly different from person to person, but a few stand out. 

Terpene profile, trichome density, material density, and active cannabinoid content are all measures which can be employed to ascertain the quality of the starting material used. With that said, to simplify things, it is a quality in = quality out scenario. The better the genetics are, the more trichomes that are present, and the way the material was dried and cured all play huge factors in the clarity of rosin when it’s being extracted. The better the starting material, the better the resulting rosin will be in all measures (clarity, yield, and effects).

Turn Down the Temperature
“When people get black rosin coming off their plates it’s because their product is very old or their temperature is too high, and they’re burning it off. Or they leave it on the plate for way too long,” says Paul.

There are no hard-and-fast rules for the best temperature for rosin clarity, and professional rosin press machine producers all seem to be a little tired of the eternal question: ‘what temp, bro?’ But there are some guidelines for what temperatures to try first. Basically, start a little low for the best clarity.

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In a legal state with access to a good product supply, patience and persistence should get you the golden dabs you’re after.