Making THC-A crystals - 7 Step Guide

6 months ago


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Step 1.
Extract some Rosin (from some quality material) at a high temp, around 200 - 220 F . Dried, cured buds work fine, but ice-hash is the best starting material. Use quick times, 15 seconds at most.

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Step 2.
Scrape up your gooey goodness, and slop it into a mason jar. Place a lid on the jar. I like to whip it up to help the process.

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Step 3.

Quick Method - Caution!

Place the jar in an oven, toaster oven or convection oven. Make sure your heat is at 200 F before placing the jar. Check on it every 5 minutes. This should never take longer than 45 minutes for a 200 ml jar. Once the the rosin is all liquid in suspension take it out and leave it in a dark place at room temperature. After about 24 - 48 hours the THCA crystals will crash out of suspension, forming at the bottom of the jar.
CAUTION: Leaving it in even 5 minutes too long can ruin the batch, so that it will never recrystallize.

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The jar on the right is ready.

Step 3.

Slow Method

Place the jar in a dark place, above room temperature. A heat mat or boiler room will work. As time passes (4 - 14 days) in this soupy state, pressure starts to build. THCA crystals begin to form and fall out of suspension to the bottom of the jar. The volatile terpenes rise to form a viscous layer on top of the mix in the jar.

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Step 4.
When you’re happy with the crystal formation, you can pour off the terps to separate the crystals.

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Step 5.
Terpenes can be re-added to the crystals for flavor or made into their own dabbable product.

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Step 6.

Optional

To further refine the THCA you can place it in 25 micron bags and press it at low temperatures, around 140 - 175 F. The terpenes will flow out of the rosin bag onto parchment to add to the rest. Inside the rosin bag, after it re-solidifies, will be THCA powder. You can repeat this step as many times as you need/want to achieve the pure white THCA powder.

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Step 7.
Dab it.

If you found this guide useful in anyway, consider giving me a vote on the witness board.

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Keep it orange ;)

To turn the refined THCA powder into bigger crystals, you will need solvent and vacuum purging capabilities. Since it's not as DIY, and not safe to do at home - I'll leave that bit out.

#dabs #smoke #cannabis #nugporn



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THAT LOOKS VERY COMPLICATED! HOW MUCH DID THAT COST YOU? AND WHAT WAS THE WEIGHT? REALLY COOL. I'VE NEVER SEEN IT LIKE THIS, WELL MAYBE BUT NOT THAT MUCH. I THINK I SAW SOME IN THE DISPENSARY ONE TIME

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It typically costs a ton of time an effort. Maybe electricity bills. Yields are quite low when crystallizating THC-A, so it needs a lot of starting material to get a good amount. For instance the jars of 250ml rosin turned into ~90 grams of THC-A.

Wow! That’s awesome 👏 Can’t wait to try it!

excellent tutorial. Re-smoking it!!

Thank you this is a great tutorial I totally got it and have actually made a bookmark.

Very interesting /educational .....nice one.

Tempted to try this one, although I would have no use for the end product. The way you describe it makes it a great science project.

Tutorial like posts are my favorite, no matter the subject.