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S

s54321

Member
Sep 10, 2024
21
I'm so sorry it went so wrong. I had no idea cars did that! Is it a.common thing?

I'm afraid your proportion of sulphuric to formic acid is completely off. All that formic acid is useless when you only have 2 L of sulphuric. The right proportion of sulphuric acid should be around 4 times that of the formic acid. Anything else is a waste of reagents.
Dont know much about cars myself, was some old jaguar. Chemist forums might been wrong abit, more sulphuric would have produced the CO even faster if i understand it right now, tho the big amount of both did still produce enough CO for a car to blackout very fast
I never knew this was a thing cars do. Can I ask the your car's make, model, and year. I ask because Im having trouble looking up this external circulation thing and am hoping this would help me find info on it.
Some old jaguar ~2010. extternal circulation is just when it uses the air from outside for the air condition, instead of circling around the air inside/being turned off. Keep your car fully turned off, no radio etc, instead of wanting to listen to good music while dieing like me, and it shouldnt activate.
 
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A

Artemisia

Experienced
May 24, 2024
237
Dont know much about cars myself, was some old jaguar. Chemist forums might been wrong abit, more sulphuric would have produced the CO even faster if i understand it right now, tho the big amount of both did still produce enough CO for a car to blackout very fast

Some old jaguar ~2010. extternal circulation is just when it uses the air from outside for the air condition, instead of circling around the air inside/being turned off. Keep your car fully turned off, no radio etc, instead of wanting to listen to good music while dieing like me, and it shouldnt activate.
Fancy cars' problems it seems! :)

Considering the amounts used, I'd be extremely surprised if it hadn't worked! But thank you for sharing your experience. Life really is full of these stupid mishaps.
 
NegevChina

NegevChina

I've done the best I could
Sep 5, 2024
442
Since there are some posts here of failed CTB attempts using charcoals for producing CO in a car, on the other hand I see many successful attempts in Asia mainly in Thailand and Japan. Is it possible that the popular Japanese Binchotan charcoals produce more CO and burn for longer time? They are advertised as pure carbon. sometimes just 2 briquets are enough to do the job. These are the long hollow briquets.
Another question, I received a new portable CO detector, the CT-300 for 45$. It can detect up to 5000ppm. Does that sound reliable? Can it help?
 
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D

dedbb

New Member
Oct 5, 2024
4
Hi everyone, I've read a lot of responses and some of the other threads. But I still have a few questions and need clarification. So I need to burn the coals in a chimney starter for 60-90 minutes until there is no smoke or flames all the charcoals turned grey right? Then bring it in the bathroom? So there shouldn't be any flames when I bring it into the bathroom right? I read that the charcoals will continue producing CO for 5-12 hours, even if there's no more flames? Also should I transfer the coals from the chimney starter into a bucket? Do I need to put anything under the bottom like a metal tray or water or something because it'll get too hot and melt the floor? People were talking about heat, will it get to hot inside my bathroom? If I use 1kg, roughly how much CO will be produced? Sorry if it seems redundant. Also what type of sleeping pills do I need to get? I think benzos aren't over the counter so I can't get them.
 
5

52yoandmiserable

Member
Apr 19, 2023
50
Yeah, thats one of the reasons im planning to use acids instead.

Also if you have a car or place where you can store it - just buy CO tank and flow regulator. 40L ones are the most common and thats more than enough.
Where does on buy a tank of CO?
 
5

52yoandmiserable

Member
Apr 19, 2023
50
So i bought my 2 man tent and I understand that I should probably paint it to better seal the fabric. Do I just paint the inner tent, the rain fly, or all of it? Wouldn't a heavy duty plastic tarp draped over the whole thing work just as well as paint???
 
J

jokster18

Member
Sep 18, 2023
79
I've picked my camp site.

https://www.ukcampsite.co.uk

I was going to just park on a road at night but a site is better. You don't look suspicious lighting up plus as your off the public roads you can get drunk and benzoed up without worry a passing cop asks what your upto then nicks you for being unfit to be in charge of a vehicle.

https://www.telegraph.co.uk/news/uk...xide-plea-after-son-died-cooking-burgers.html
You don't want to be benzoed up on a public road you can get arrested
Could try a portable generator. Was looking at them the the other day. They have warnings all over the box saying "Carbon monoxide will kill you in minutes. Not for indoor use."
Can this method work using a portable generator in a car?
 
J

jokster18

Member
Sep 18, 2023
79
I've been pushing through for 2 years with a bad illness. It's getting very bad and suffering too much. I have a garadge and going to buy a generator. I just don't want to mess up. I need to go already before this illness gets too bad. Can this method work. I don't have a gun.
 
M

MrHastatti

Member
Feb 4, 2024
32
I've been pushing through for 2 years with a bad illness. It's getting very bad and suffering too much. I have a garadge and going to buy a generator. I just don't want to mess up. I need to go already before this illness gets too bad. Can this method work. I don't have a gun.
I can't say Id recommend doing it in a garage, its a relatively large space and might be hard to seal. You still might be able to do it in your garage depending on what it's like but I'd recommend doing this in a tent or car instead.
 
Alo the obvi alien

Alo the obvi alien

Planner
Jun 20, 2023
509
It's winter and there's snow. Can I stay CTB using a tent and CO? What are the affects between CO and cold air??
 
hypervigilance

hypervigilance

Member
Dec 24, 2024
8
I'm considering this method in the back of my pickup truck with aluminum topper. 8' truck bed. I'm curious how much charcoal I'll require and when to place it inside the truck bed. I can seal the topper and tailgate. So, about 128 cubic feet of space. Any suggestions?
 
S

Silently Dying

Member
Jan 27, 2025
84
Hopefully someone can help me out. I was looking at muriatic acid and lime sulfur but it seems that it is a painful way to go. If I have two small barbecues and a tent and I wait until the flame is gone and then place the barbecues in the tent will this work? Thank you
 
A

aguy

Member
Feb 6, 2025
7
Hi all, i wanted to ask, because i couldn't find definitive answers on the internet. Which engine produces the most monoxide? Do the old style 2 stroke carburated engines for leaf blowers/ weedwackers produce more carbon monoxide than the 4 stroke ones? I read i 1 study that they usually produce about double the carbon monoxide per cc of engine displacement. So a 70cc 2 stroke engine produces as much Co as a 140cc small generator engine. Has anyone tested it with a Carbon monoxide monitor? A engine for a weedwacker/grass trimmer that is 2 stroke weighs about 10 pounds, and the 4 stroke ones weigh 13 pounds which is much easier to carry and use than a 4 stroke generator which can weigh like 80 pounds. My setup that i have tested used a 4 stroke engine that is 200cc and it produced 2000 ppm in around 13 minutes in a small enclosed space of about 1000 cubic feet. I'm afraid that it's not fast enough. Also i want to report that i have no problem with burning eyes from the exhaust fumes like some have said here. The engine just produces a mildly unpleasant smell and sound but almost no smoke. Also i feel the effects really fucking fast! I always vent the room and enter it when the levels go 200ppm.The first tests i thought, oh it's just probably a placebo effect, but after several tests, every time just entering to stop the generator and later, cleaning my setup i always get lightheaded, and just feel weak. It's crazy how fast it works. If you put some noice cancelling headphones and it's literally magic how you just suddenly become light headed.
 
isolonelygirl99

isolonelygirl99

Iwannadie
Mar 6, 2025
7
I plan using this method, using charcoal inside my car. I lack a grill though, but I do have stainless steel chafing dishes—would this work?
 
T

Thomas_Europe

Member
Sep 22, 2022
21
You can easily buy a disposable grill on Amazon… I must admit that after years of comparing the different methods on this forum i think this will be my way to go: A tent and a disposable grill… Unless I find barbs somewhere.
 
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S

SufferingInDenmark

Experienced
Feb 21, 2025
227
You can easily buy a disposable grill on Amazon… I must admit that after years of comparing the different methods on this forum i think this will be my way to go: A tent and a disposable grill… Unless I find barbs somewhere.
whats barbs? and also, not to give you paranoia or anything, but i heard the tent can possibly melt, if it's bad quality
 
kidfortoday

kidfortoday

Member
Dec 3, 2024
6
Hi! I'm considering this method. I was wondering if I could use letter slze paper sheets (30 approximately) since they produce CO when burned as well.

My plan is to do it in my bedroom since it's pretty small. It doesn't have any windows, the only ventilation it has is a dome on the roof, so I'd seal the bottom of the door and the dome vents using trash bags and strong tape. Then, I'd burn the paper sheets on a grill, put the grill grate and some vegetal charcoal on top of it. I'd probably smoke to fill my lungs with more shit, and at last take the sleeping pills. (Maybe I could put a plastic bag over my head as well?)
My main concerns are that using paper sheets instead of just charcoal might not produce enough CO to CTB and also the pace at which I plan to do it might consume all the oxygen in my room and quickly dissipate the contents of my grill.

Do y'all have any advice for me? I'm sorry if something similar has already been discussed; I didn't read the whole thread tbh.
 
locked*n*loaded

locked*n*loaded

Archangel
Apr 15, 2022
8,014
I was wondering if I could use letter slze paper sheets (30 approximately) since they produce CO when burned as well.
In a word, NO. That's not going to produce enough CO.
 
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kidfortoday

kidfortoday

Member
Dec 3, 2024
6
In a word, NO. That's not going to produce enough CO.
Okee dokee! Do you think vegetable charcoal (1-2kg approximately) will do the job? Since in the first pages I saw some coal brand discussions, I'm not sure if the type of coal also affects the results.
 
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locked*n*loaded

locked*n*loaded

Archangel
Apr 15, 2022
8,014
Okee dokee! Do you think vegetable charcoal (1-2kg approximately) will do the job? Since in the first pages I saw some coal brand discussions, I'm not sure if the type of coal also affects the results.
Where you're located, can you just not get "regular" charcoal? Like normal, "burnt wood" charcoal?
 
kidfortoday

kidfortoday

Member
Dec 3, 2024
6
Where you're located, can you just not get "regular" charcoal? Like normal, "burnt wood" charcoal?
Sorry, my English isn't perfect, for a moment I thought charcoal was the same as coal, mb! By "vegetable charcoal" I simply meant charcoal. Misunderstanding on my part :-p
 
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locked*n*loaded

locked*n*loaded

Archangel
Apr 15, 2022
8,014
Sorry, my English isn't perfect, for a moment I thought charcoal was the same as coal, mb! By "vegetable charcoal" I simply meant charcoal. Misunderstanding on my part :-p
Np. No apologies necessary. It's true that "coal" will also produce a lot of CO, but it burns very dirty and you wouldn't be able to suffer through the smoke and terrible fumes. If what you're calling "vegetable charcoal" is the same as what I know it as "regular charcoal", that's the most efficient way to produce CO. To me, regular charcoal is the kind used in bbq grills to cook meat.
 
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kidfortoday

kidfortoday

Member
Dec 3, 2024
6
Np. No apologies necessary. It's true that "coal" will also produce a lot of CO, but it burns very dirty and you wouldn't be able to suffer through the smoke and terrible fumes. If what you're calling "vegetable charcoal" is the same as what I know it as "regular charcoal", that's the most efficient way to produce CO. To me, regular charcoal is the kind used in bbq grills to cook meat.
Yep, all along I was referring to the charcoal used for bbq grills. I'm not a grill expert, and I thought maybe coal could be used for cooking too, but now that I've done a little research it seems like it doesn't give that smoky flavor to the meats and that's why it's not generally used for that. Great learning I've obtained today from a forum for CTB! Thanks for the clarification anyway :-)
 
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7

77redbike

Member
Mar 21, 2025
5
Cars do not release enough CO anymore to be effective. A filter or something has been added that I cannot remember the name of. If you know how to remove it I think it would still work but I'm unsure.
Modern cars, and even motorcycles and motor scooters, have catalytic converters in their exhaust systems that remove a large amount of CO but there are still a lot of vehicles on the road and for sale that don't. Also gas engines on things like lawn mowers ,pressure washers, and leaf blowers don't although the latter have smaller engines that won't emit as much CO. However the exhaust from all of these contains a lot of products other than pure CO that might cause problems ( I am still trying to get a handle on that) It wouldn't take much to run a flexible pipe from the engine to the inside of a car that I think would quickly create a deadly environment. Somewhere on this site I have seen a discussion on some of these issues.
 
G

GodChallengesMe

New Member
Mar 31, 2025
1
I've tried this method in my small bathroom but didn't get knocked out for some reason. Charcoal was of questionable quality though. Burned 2.5 kg in a large chimney starter. It took approximately 90 minutes till the flames disappeared completely, after which I put the glowing charcoals in a metal container. The charcoal became 1/3 of the amount after burning. I took the metal container immediately in the bathroom since it was no longer emitting smoke. It had terrible additives that irritated my throat. The temperature inside the bathroom got really warm but not to an uncomfortable level. I couldn't manage to properly seal the bathroom cause there are a couple of large cracks but I tried my best to seal it as much as I could. I hoped that the rate of CO production would be enough to compensate for its escape in those cracks. I remained in the closed bathroom for about an hour. I was already dizzy before entering cause I wanted to sleep badly. I didn't take medications or alcohol. I laid there with my upper body elevated to catch the most CO since its lighter than air and concentrates more near ceiling. I don't know how high the PPM rose since I don't have a meter but I got comfortably numb and my visual field started to rotate when fixing my eyes at certain object. I felt kinda high and euphoric.

After about 30 minutes I felt slight disturbances in my heart, like it was murmuring slowly and quietly, but no pain or discomfort. I got more sleepy and wanted to lay comfortably to fall asleep but I couldn't since the space is small and I couldn't extend my legs fully. I was sitting in a very uncomfortable position and it played a certain role why I didn't fall asleep in time. I got very tired waiting for the more dramatic effects to kick in and thought it would take many hours to finish me off had I fallen asleep. I feared that had I remained there and waited, the charcoals would finish burning too early and I would wake up with severe body damage. For that reason I abandoned the attempt and cleaned everything to remove suspicious traces from the bathroom.

What I've learned from this attempt is the following:

1. The charcoal should be of high quality and preferably without additives as they irritate the throat and spoil the peaceful experience.
2. It's better to use a bit larger and well sealed space rather than smaller space with many leaks as CO will accumulate even in a bit large space provided it's really well sealed.
3. A meter is really handful for knowing how quickly the concentration gets to 1 000 PPM. There's no need to buy expensive meters, just a basic meter will prove handy that measures up to 1 000 PPM.
4. IMO it's better to walk inside the space immediately rather than waiting but try to time the whole stuff when you're really dizzy and want to sleep. That way you won't need sedatives or alcohol and lower concentration of CO in the beginning will put you to sleep quickly.
5. I think it's more peaceful to remain in a low-moderate lethal concentration for 24 hours uninterrupted rather than get knocked down by higher concentration in a couple of minutes. Once you fall asleep, provided the concentration of CO remains at least 800 PPM for a whole day, it will suffocate you in the sleep throughout many hours. It feels very sweet at low concentration, you don't want to leave the space because you're feeling very relaxed and calm. Once you fall asleep, it will be over if nobody escapes you. If the charcoals continue burning and emitting CO for at least 9 hours, it should be enough to never wake up here.

I would do it again but in a larger space like in my room. 2.5 kg of high quality charcoal is enough if the space is thoroughly sealed. Lump charcoal is better since it doesn't contain additives but I'm afraid it won't burn long enough to do its job. IMO a canister full of CO would be great for this purpose since you can set it to release CO at a very slow rate. That way it won't reach lethal levels quickly and will keep accumulating continuously after you fall asleep. Eventually, it will build up to very dangerous levels while you're in a deep sleep and chances of surviving it will be minimized to the lowest.
 

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