Stainless Steel Cafetiere (French Press) Extraction

[2bags]

Hi IC

I am about to venture into the unknown and try a BHO run.

From my research I think the cafetiere soak method will work most effectively for my situation.

I have the following unpolished stainless steel cafetiere:

I've removed the plunger which has left a perfect hole at the top for my butane to blast through. The volume of the container is approx 300ml.

Do you guys think the spout will be sufficient ventilation as I know when using thermos it is advisable to drill vent holes?

I plan to fill the container about 1/3 full then blast butane until covered/full.

I'd appreciate your thoughts.



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[yortbogey]

things that make U go.....hhhhmmm...!!!
interesting~indeedy

 

[2bags]

What do you reckon yort? Worth a go or disaster waiting to happen?

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[northstate]

If you can freeze the press and the 'tane before hand (seperately of course) and keep it cool for X amount of time after blasting maybe lay a rag over it to prevent warm air from hitting your soup, no problem. Fan and outside safety protocol is a must! Good luck and ask if you have any more Q's

edit: Have a coffee filter in a metal strainer or something equivalent to pour through between the press and the pyrex. Larger evap surface area will speed up the process.

 

[2bags]

Thanks for the reply northstate.

Yeah I plan to freeze the cafetiere for 12 hours once the dry material is in it. I also plan to freeze the can of butane for same amount of time.

Once out the freezer and the butane is blasted in and soaked for an hour or so, provided it doesn't all evaporate out I'll reattach the press and steel mesh filter, press it down like it's coffee and pour out the filtered butane into pyrex to evaporate and purge outside.

Anyone ever tried this?

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[northstate]

I would be a little nervous about clacking metal and liquid 'tane together for spark reasons, but I am a little paranoid probably. Oh and dont wear any plastic, poly, rayon ect. clothes while doing your extractions should something ever happen, I will stop there. Should be fine and you seem to be on the right track.

 

[2bags]

I would be a little nervous about clacking metal and liquid 'tane together for spark reasons, but I am a little paranoid probably.

Thanks for the advice, I hadn't thought about that but you're right why take the risk?

I have paper coffee filters so will try and figure a way to suspend a filter over the pyrex dish and pour after the soak.

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[Kcar]

You don't need to soak for an hour. A few minutes is plenty.

 

[northstate]

Yeah, forgot to mention that fiftteen mins or less was coming to mind and definately agitate or swirl the soup every so often.

 

[jump /injack]

Metal to metal?

Do it outside, wear a hockey mask so that your face doesn't get blown off, dress appropriately so that your clothing doesn't melt onto you, make sure that you are by yourself with no children around or anyone else. Read the site above and see what happens if something goes wrong with that metal to metal idea.
https://www.icmag.com/ic/showthread.php?t=266761

The fire ball on a butane explosion is over 3000 degrees says GrayWolf, enough to melt steel or fry eyeballs.

 

[2bags]

When you say metal to metal are you talking about the filtering using the press?

Provided I blast straight into the metal container through a plastic nozzle and stir with wood, then pour out through coffee filters, there is no metal to metal contact right?

Thanks

 

[SkyHighLer]

http://youtu.be/VTVRYk0Zdg4 This is so much easier. Two coffee filters are plenty, freeze both the butane and Mason jar before starting. I use about a 300ml can of butane to about an ounce of herb. After the pour off, the ring can be removed, the filter paper is carefully pushed down into the jar, more butane is squirted, new filter paper is secured by the ring, vigorous swishing will rewash everything including the old filter paper, and then pour off to the same or another evaporating dish.

 

[2bags]

Thanks Sky but I'm pretty much limited to the tools I have to hand unfortunately.

I'll try the mason jar method in the future for sure but for now I want to confirm with the experts whether my proposed method will work.

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[northstate]

SkyHigh is an over-qualified expert and mighty helpful. ^^^ and it is safe and easy with glass too.

 

[Kcar]

Thanks for the reply northstate.

Yeah I plan to freeze the cafetiere for 12 hours once the dry material is in it. I also plan to freeze the can of butane for same amount of time.

Once out the freezer and the butane is blasted in and soaked for an hour or so, provided it doesn't all evaporate out I'll reattach the press and steel mesh filter, press it down like it's coffee and pour out the filtered butane into pyrex to evaporate and purge outside.

Anyone ever tried this?

You still need to pour it through a coffee filter to get all the
little bits out. You don't have a mason jar? I thought everyone owned atleast 1.

 

[2bags]

OK thanks for the responses.

So other than mason jar being glass and therefore less susceptible to sparks, in what other ways is the mason jar method safer?

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[Gray Wolf]

The stainless pot will work. We use a frozen stainless thermos for the same thing and soak fresh frozen green material a couple of hours.

Check out Jumps sticky on Amber in 15 minutes.

You can use a ground strap to eliminate static sparks on dry cold days.

 

[2bags]

The stainless pot will work. We use a frozen stainless thermos for the same thing and soak fresh frozen green material a couple of hours.

Check out Jumps sticky on Amber in 15 minutes.

You can use a ground strap to eliminate static sparks on dry cold days.

Nice one Grey Wolf.

Yeah I hear mixed opinions on length of soak. I understand frozen material takes longer to extract so a longer soak time is preferential.

Do you just do one soak or do you re-soak the cake once you've strained the first run?



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[Gray Wolf]

Nice one Grey Wolf.

Yeah I hear mixed opinions on length of soak. I understand frozen material takes longer to extract so a longer soak time is preferential.

Do you just do one soak or do you re-soak the cake once you've strained the first run?



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I usually just do it one time for a couple of hours in class, and the aroma and tastes never fails to blow everyone away, but have done a 30 minute soak for bragging rights extractions, followed by a 1 hour and 30 minute soak to get most of the rest.

Jump 117 pioneered and has done the most work on this technique, so you might check out : https://www.icmag.com/ic/showthread.php?t=168388

 

[SkyHighLer]

OK thanks for the responses.

So other than mason jar being glass and therefore less susceptible to sparks, in what other ways is the mason jar method safer?

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I'd prefer stainless steel just because it can't break, but other than that glass has a few advantages, such as you can measure how much butane you your squirting by the volume marks on the sides of the jar. Another is being able to see if you've got the all the sticky waxes out of the jar when washing it. And then there's the nifty way the ring seals a couple of standard coffee filters over the top...

Two warnings, never try and seal up butane in a vessel not designed for it, and never keep unsealed liquid butane anywhere in the house (your freezer is not an exception!)

I have considered a French Press several times, hope you get it to work!!!