Herborizer Mini Closed Loop BHO extractor

Warning! Please allow 11 to 15 business days after purchase for delivery of this product.

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Thanks to Herborizer, finally there's the possibility for everyone to perform BHO cannabis extractions at home using a closed circuit! This small passive closed circuit extractor is now available online for you to discover at Alchimiaweb.com

Closed circuit systems allow you to consume cleaner BHO due to the elimination of "Mystery Oil". When using new gas for the first time, we need to first carry out an empty run, using gas but without grass. This is in order to remove the lubricants present in all butane bottles (otherwise known as "Mystery Oil"). This oil is a grease used to facilitate the introduction of gas into the bottles during their filling at the factory and will contaminate our BHO if not first removed!

Another of the advantages of this kind of system is its recycling and reuse of the gas. Indeed, thanks to the tightness of the system it will be possible to perform many extractions with the same load of butane.

Passive closed circuit systems do not need a recovery pump to perform the extraction. The flow of gas is due to the difference in temperature between the two solvent tanks. It will still be necessary to use a conventional pump to pull vacuum on the system, so we can use the same vacuum pump used for purging BHO.

Herborizer Closed Circuit contents:

  • 2 Tanks for solvents: 10 cm x 10 cm
  • 1 Tube for flowers: 3.80cm x 15.20cm
  • 1 Threaded cap with standard valve and hose adapter
  • 3 Clamps
  • 3 Viton gasket
  • 1 Viton gasket with 150 micron filter
  • 1 Pressure gauge
  • 1 Flexible stainless steel and teflon (PTFE) hose 61cm

Warning! Despite the fact that it is a closed circuit ALWAYS carry out extraction outdoors in a well-ventilated area to avoid any risk of accidents.

Check out our guide on the use of the Herborizer mini closed circuit system here on our Blog!

Herborizer Mini closed loop BHO extractor:

  • Passive closed circuit system
  • 304 stainless steel
  • Mirror polished interior
  • Flower capacity: 45g
  • Gas capacity: 300-400ml
  • Reuses gas
  • Elimination of the lubricants present in the gas (Mystery Oil)

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Opinions about Herborizer Mini Closed Loop BHO extractor and questions

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Kookie 09-04-2021 I don't see anything about pressure in the cylinder Butane turns to liquid about 2 or 3 bar depending on temperture So if the cylinder is full there is no room for expansion, how does that work, even a butane bottle is only filled to 80% how do you know how much liquid is in the chamber

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Alchimia Grow Shop 13-04-2021

Hi, thanks for your comment and question. As you say, the gas bottles aren't always 100% full so it's important to slightly underestimate the capacity of the tank rather than overfill it with butane. Knowing the maximum capacity of the tank and the volume of the gas bottles there shouldn't be an issue. I hope that helps.

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A 25-09-2020 Hi, can you tell me the psi pressure rating of this system?

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Alchimia Grow Shop 28-09-2020 Hi, thanks for your question. The manufacturer does not supply any information on the pressure rating of this extractor, neither in the literature provided with the unit nor on their website. The only indication is that the pressure gauge included with the extractor has a maximum pressure of 150psi. I hope that helps. Best wishes and happy growing!

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K 29-02-2020 Hi you ship the mini closed loop to australia but not the 135g model ? Any reason ...

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Alchimia Grow Shop 02-03-2020 Hey K, thans for your enquiry. I checked with the shipping team and it appears there was an error and in fact we can send any of the Herborizer extractor models to Australia, not just the Mini Closed Loop. We've updated the pages now, if you have any more questions please feel free to ask! Best wishes.

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J 01-12-2019 Hi, I was wondering if you have a bi-directional model available, as well if ball valve upgrades are available? Thank you.

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Alchimia Grow Shop 02-12-2019 Hi J, thanks for asking. I'm afraid not at the moment. These Herborizer systems are aimed at the home extractor, so while they are built very well out of high-quality materials, they don't come with all the "bells and whistles" that many much more expensive systems have. All the best, happy extracting!

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J 01-12-2019 Hi, I was wondering if you can ship this to US? And if so, about how much the shipping cost to Pennsylvania would be. Thank you.

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Alchimia Grow Shop 02-12-2019 Hi J, thanks for your question, unfortunately, we are only able to able to ship this unit within Europe. For years people have been importing this type of system into Europe from the USA, so I don't think you'll have any problem finding something really good closer to home. Sorry I can't be more help. All the best and happy extracting!

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Mario 30-10-2019 Interested, but the purging it further for 72hrs, that's insane. I've seen one website suggesting purging for 3hours only. wouldn't that would be sufficient? Maybe there is a way to test BHO for the quantity of the remaining butane?

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Alchimia Grow Shop 31-10-2019 Hi Mario, thanks for your question. The purge time partly depends upon the final result and texture you want to have, but as a general rule 3 hours would be insufficient. If you're doing an initial water bath purge then less time is required in a vacuum chamber, however, the water bath method is fairly rudimentary and old school tech. I'd always recommend using a vacuum oven and purging for anything fro 24 to 72 hours, depending on whether you want to end up with shatter or wax or budder etc. If you have access to a good laboratory then yes, they can probably test the BHO for residual solvents. Otherwise, it's possible to take a small amount of the BHO on a dabber and expose it to a naked flame, and if you see or hear small sparks coming from our BHO, then the extract still contains gas and must be purged further. I hope that helps, all the best and happy extracting!

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Davide 19-09-2019 Salve è possibile avere uno sconto sul prodotto in questione il mini estrattore? Grazie

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Alchimia Grow Shop 20-09-2019

Ciao Davide, scusa ma non è possibile perché questo prodotto ha già un prezzo speciale, non cumulabile con altre riduzioni. Cordiali saluti

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Roy 16-09-2019 Is an Alchimia client It would be less complicated if pneumatic snap connectors were used obviating the use of tools to fit and remove hoses.

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Alchimia Grow Shop 18-09-2019 Hi Roy, thanks for your comment. You're correct, of course, but I imagine that would increase the price and may put it out of reach of the target audience, the home-grower who wants to safely make clean BHO. All the best.

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