Uzi said:

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I will be testing it again in the next couple of days which will be over 350 days since dehydration. So far, I would call it very stable.

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Ooh please do come back with an update. If dehydrated tea is stable up to a year like that, looks like youve found one of the best forms of storage for the goodies.

I was pretty happy with the volume reduction, and it seems like a good method to not have a bunch of jars with fruits laying around if you like to grow frequently for fun lol.

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ReverendMyc said:

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Do you guys think that a manual vacuum pump as the one one uses to suck air from a opened wine bottle with the dedicated cork works as well as that electric device you use (reference appreciated aswell) ?

This is the kind of manual vacuum pump im talking about : https://cdn.etrias.nl/media/cache/product_lg/8/7/8714793098121.jpg
Apparently it achieves -5 psi or 500 Torr.

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Before I got the electric vacuum thingy I was using one like this.


With this attacment for jars.


That worked fine and drew a vacuum just as well if you don't mind a little mini-workout for each use. So, surely the wine thing should be similar if you can find the proper attachment... or you use wine bottles instead of canning jars. That is probably what you meant and I just realized it.

Here is an amazon link to the one I have now, though. They are relatively inexpensive if you are in the market. Mine has lasted for years of regular use.

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Also, I just read that soaking the biomass in water 30min before applying the vacuum could help the extraction...what do you think ? Potential psilocybin degradation ?

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With fresh materials, I don't think that a soak will matter because the mush is already 90%+ water, but that is just a guess. If you grind up your fresh I would worry about oxidation of psilocin but with whole mushrooms or sclerotia I doubt soaking would do any help or harm as long as the cell walls remain in tact.

For dried mush materials, you are mostly working with psilocybin and not starting with much psilocin so a short soak is not likely to do much harm but I wouldn't go for a long soak. In my experience with gummy recipes, letting dried mush tea sit over night in a refrigerator caused a significant loss in potency.

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Such an easy way to make an extract in the wild...

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I may be easy, but I am also cheap. Or something like that.

I am glad to hear if what I share is helpful. I appreciate you taking the time. Stick around, this place is full of good information and helpful souls in an old wild west sort of way.

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• This time I did a vacuum extraction of 509 grams of fresh subtropicalis.
  
• I used three decoctions using 500 ml of preboiled and cooled filtered water for each decoction.
  
• I added approximately 1 gram of ascorbic acid powder to each 500ml decoction.
  
• I drew a vacuum on 2000 ml canning jars using an electric vacuum pump.
  
• This time I used 5-Pack 5 Gallon Reusable Mesh Filter Bags 5 Color Nylon Filter Bags 25 to 220 Micron Suitable for Hydroponics Gardening and Industrial Applications in succession to filter out the solids. This was far easier and more effective than all prior methods I have tried. Next time I may run the final tea from the 25 micron bag through a Aeropress to see if I can reduce the solids any further.
  
• Then I dried the tea to crystals at 71c for 48 hours in small silicone cups.
  
• The final weight of the dried tea was 20 grams which is a 96% reduction from fresh to dried tea.
  
• Multiple samples of the dried tea were tested using the qtest and colorimeter with results around 45mg/g of dried tea.
  

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