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pepe the frog
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My coffee grinder exploded in my hand while grinding MHRB 1
#26397543 - 12/23/19 01:50 PM (4 years, 1 month ago) |
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Thought I should let others know that dust explosions are a very REAL concern when grinding bark for extractions. I can’t even believe what just happened I was grinding my bark and then....BOOM like a hand grenade went off. My wife thought I was dead( funny but not) as it shook the house and from 2 stories up she said it sounded like my ar15 went off. I’m totally alright just a bit shook up (can ya blame me?) and have some soot scorched onto my hand that doesn’t want to come off. But shit frens take care when grinding your bark. It was quite literally like a coffee grinder sized shotgun shell without the shot. Anyways just had to post this PSA, back to my extraction!
-------------------- The English biologist, Dawkins , invented the word MEME. Do you all know what a MEME is? It's the smallest unit of an idea. It's like what a gene is to biology, a MEME is to ideology. Our task is to create MEMES.....Shadilay frens
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sporecap
Shedding...

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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: pepe the frog]
#26397568 - 12/23/19 02:02 PM (4 years, 1 month ago) |
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Quote:
pepe the frog said: My wife thought I was dead( funny but not) as it shook the house and from 2 stories up she said it sounded like my ar15 went off.
Holy fucking shit man, glad to hear you are alright and not missing any limbs!
Btw: Non-powdered bark (only shredded) works really well with a STB tek. Powdered bark is ore annoying because it tends to form an emulsion.
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pepe the frog
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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: sporecap]
#26397595 - 12/23/19 02:13 PM (4 years, 1 month ago) |
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Yeah I’m glad it just spooked me. I will see how shredded works but I got a new grinder as the old one is kill. I usually don’t have any issues forming emulsion so long as I’m pretty careful. Dust explosions are a VERY real hazard when dealing with any powders. I knew Jurema was a trickster but FFS not cool man!
-------------------- The English biologist, Dawkins , invented the word MEME. Do you all know what a MEME is? It's the smallest unit of an idea. It's like what a gene is to biology, a MEME is to ideology. Our task is to create MEMES.....Shadilay frens
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BabylonRuleDem
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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: pepe the frog]
#26397621 - 12/23/19 02:24 PM (4 years, 1 month ago) |
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1st get yourself one of these. Works great
2nd u dont need to or want to grind to a fine powder, just tap it a couple times to get more or less "shredded" material. Shredded is easier to work with than powder and will extract just as well. When shredding you will still make dust but not nearly as much as when you grind to a powder
3rd only grind as much as you need to extract at the time, put the rest of your chips in a cool dry place until you need them(the freezer is best if you have the space). The more surface area you expose the faster the chemicals in the bark with deteriorate, heat and light with speed up this process also.
4th AND MOST IMPORTANTLY If you are doing a large extraction(1 kilo+) then i would find another way to grind it or separate your grinds. Those coffee grinders arent meant to grind continuously for extended periods of time. They will get hot and melt the plastic inside and cause sparks that will ignite your dust.
Glad you didn't injure yourself. Good luck with your extraction.
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coAsTal
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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: BabylonRuleDem]
#26397712 - 12/23/19 03:11 PM (4 years, 1 month ago) |
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If you have too much bark in there it can get bound up and overheat--same if the blades are too dull. Works best for me ti just do a pinch at a time, and shake the grinder as it runs so it doesn't bog down. Glad you didn't get hurt--
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Icon
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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: coAsTal]
#26398303 - 12/23/19 09:12 PM (4 years, 1 month ago) |
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That's a pretty funny occurrence, never considered dust explosions. Glad you're all right. The amount of dust created while blending and grinding is no joke tho. I coated my entire apt in a good layer of dust before investing in a fan and ducting to extract all the dusty air while I work.
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Lophophora
A single drop in the ocean


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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: Icon]
#26398359 - 12/23/19 09:54 PM (4 years, 1 month ago) |
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Glad you're ok, I've never had one blow up but I've wrecked 2 grinders with MHRB so I just use a good old fashioned mortar and pestle these days takes a bit more work but I don't really have an issue with that I've got more DMT extracted than I'll probably ever vape so I'm mostly grinding up 3.5-10g doses for ayahuasca anyhow.
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BabylonRuleDem
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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: Lophophora]
#26398403 - 12/23/19 11:10 PM (4 years, 1 month ago) |
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Quote:
Lophophora said: Glad you're ok, I've never had one blow up but I've wrecked 2 grinders with MHRB so I just use a good old fashioned mortar and pestle these days takes a bit more work but I don't really have an issue with that I've got more DMT extracted than I'll probably ever vape so I'm mostly grinding up 3.5-10g doses for ayahuasca anyhow.
+1 on this if you have the funds to invest in a decent size mortar and pestle or the old hand crank coffee grinders I would go that route. Ive never used a mortar and pestle for bark, but a store i grew up next to had one of the old, heavy, cast iron, hand crank coffee grinders and whole bean that you could grind and package yourself and those things are sweet. ...I just took a peak around google and it looks like you can get a small cast iron hand crank grinder for ~$30. The one that store had was crazy beefy tho, maybe custom made as ive never seen one like it since. It had a shoot on it like a wood chipper that you could fill up with a couple pounds of bean and crush with little effort. I might have to build one, it would be useful for lots of things, coffee beans, bark, crushing bone for bone meal fertilizer, or anything else i could run through it lol
It looks like OP has already bought a new grinder, but i suggested the one i did because it is readily available(got mine at walmart on sale for ~$15) and i have processed a lot through it(beans and bark, kilos of each) and its still going strong. Its nice because the bowl comes out, so the motor has a double barrier between the stuff your grinding and the motor. only thing i dont like is the bowl has a metal "key" that connects to a plastic "keyway" and it will eventually fail at that point. Done me good for years now so i wont knock it yet.
Anywho OP i dont know how or why yours blew up due to the amount of info provided, but be safe and if you are processing any sizable amount take your time or invest in better equipment...not to be a dick but that grinder looks like it was bought at the dollar store
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PlantStudy
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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: BabylonRuleDem]
#26398492 - 12/24/19 01:44 AM (4 years, 1 month ago) |
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Only buy powdered,it is so much better to work with
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BabylonRuleDem
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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: PlantStudy]
#26398531 - 12/24/19 02:43 AM (4 years, 1 month ago) |
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Quote:
PlantStudy said: Only buy powdered,it is so much better to work with
I strongly and respectfully disagree. Pulls are easier with shredded and emulsion is less of an issue. The only downside of shredded is it takes a wee bit longer for the basic water to penetrate through. If you are impatient/paranoid and take one pull of your material and throw it away then yes, you have a point, but if you take multiple pulls then there is no difference.
Putting all your "Waste" that you have pulled from in a glass carboy/hdpe jug, setting it in a garage/shed labeled "used oil" and taking a pull several months later from material you have pulled from at least 4 times(spread out a week each works great for me) whether it is powdered or shredded yields about the same...not much.
Your first pull with powdered might and usually will be better, but if you only take one pull you are wasting the bark. And again I completely disagree it is easier to work with. Unless of course you have access to sep funnels or other methods of filtering(even then its a crapshoot, and could easily be more time consuming than pulling with a glass turkey baster/large glass luer lock syringe), but based on the OPs provided info he doesn't, as most don't.
Im tired and am going to bed now
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pepe the frog
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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: BabylonRuleDem]
#26398550 - 12/24/19 03:06 AM (4 years, 1 month ago) |
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Haha dude it was a Bosch and not one of the Chinese ones a German made one. I was only processing 10g at a time so as not to overload it as the blade has been Reglued but my new grinder has a seal between the grinding chamber and motor body. I think I’m going to get one of the old cast irons after thinking about it so thank you for the suggestion! I know which kind you mean, they can handle a kilo easily! Thanks for the well wishes frens!
-------------------- The English biologist, Dawkins , invented the word MEME. Do you all know what a MEME is? It's the smallest unit of an idea. It's like what a gene is to biology, a MEME is to ideology. Our task is to create MEMES.....Shadilay frens
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BabylonRuleDem
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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: pepe the frog]
#26398743 - 12/24/19 07:27 AM (4 years, 1 month ago) |
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Quote:
pepe the frog said: Haha dude it was a Bosch and not one of the Chinese ones a German made one. I was only processing 10g at a time so as not to overload it as the blade has been Reglued but my new grinder has a seal between the grinding chamber and motor body. I think I’m going to get one of the old cast irons after thinking about it so thank you for the suggestion! I know which kind you mean, they can handle a kilo easily! Thanks for the well wishes frens!
Damn that is crazy, the Germans make good shit. Only 10g and it exploded!
I put ~100g at a time in that kitchen aid (which is probably china made lol) and it has no issues. I don't grind to powder anymore after doing 2 500g batches, 1 ground to powder and 1 lightly ground, and figuring out that i can spend less time grinding, get less dust in my lungs, have and easier slurry to pull from, and get the same yeild after ~4 pulls so long as you allow the lye a little time to break it down.
Shredding still makes a decent amount of dust, but grinding up 500g to powder and pouring it out of the grinder made my kitchen look and feel like an old west whore house
Those cast iron grinders are neat, but they can get expensive. I still haven't seen one with the shoot/feeder, the ones i see have a small bowl or glass jar that feeds it. Would work for bark and coffee just fine, but if I get one i wanna run bones and shit that would probably shoot back out of the bowl or break the glass. Would be a nice conversation piece to have one in the kitchen though.
Good luck with your new grinder hopefully it treats you better
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wolf8312
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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: BabylonRuleDem]
#26398778 - 12/24/19 07:52 AM (4 years, 1 month ago) |
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Probably the same reason you never want to drive into a tree! Those roots are tenacious lil buggers!
-------------------- "I'm every nightmare you ever had. I am your worst dreams come true. I am everything you ever were afraid of." Pennywise the dancing clown
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light4x
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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: wolf8312]
#26400283 - 12/25/19 09:42 AM (4 years, 1 month ago) |
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I can't believe people are using coffee grinders. I've got a blender and I've been hesitant to even use that because I just figured the mhrb would mess it up.
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BabylonRuleDem
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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: light4x]
#26400447 - 12/25/19 12:37 PM (4 years, 1 month ago) |
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Quote:
light4x said: I can't believe people are using coffee grinders. I've got a blender and I've been hesitant to even use that because I just figured the mhrb would mess it up.
Yeah good thinking. Don't use a blender. First time i went to grind bark I used a blender and it was working alright until it jammed it up and cracked the glass all the way around. I was thankful it didn't shatter and send glass everywhere.
A decent coffee grinder like the one i linked is cheap enough and will last most people a lifetime. If i was doing bulk extractions i would look for something better.
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eLeSDenes
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Re: My coffee grinder exploded in my hand while grinding MHRB [Re: BabylonRuleDem]
#26400956 - 12/25/19 08:26 PM (4 years, 1 month ago) |
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fuck grinding just do STB and let the base do the hard work for you Shredded is fine just leave it dissolving in the sodium hydroxide water for a few days until it turns into a goo then pull with a solvent like hexane. This works well for for 1kg+
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