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GodChallengesMe

Member
Mar 31, 2025
8
Planning to burn charcoal again, hopefully will succeed this time. Last and my only attempt was with questionable quality briquettes and in a poorly sealed bathroom with cracks on walls. I used 2.5 kg of briquettes that fully covered the large Weber chimney starter, so 2.5 kg is the limit I can burn at a time unless I get another chimney starter to burn 5 kg simultaneously.

I can get either lump or briquettes from Weber but unsure which one to choose. Briquettes burn longer but lump charcoal has higher CO content. I'm going to use a small room intended for storage of various crap. The room is about 6 cubic meters in volume so it's an ideal place to CTB with CO. It has only one small window that can be thoroughly sealed with a couple of large plastic bags.

I don't have a meter and won't be getting one since its useless unless you get the expensive equipment that measures up to 10k ppm.

When I tried to CTB in a bathroom, the CO didn't build up rapidly so I waited for an hour sitting there exhausted but didn't fall asleep nevertheless. I felt dizziness and my mind started to lose judgement after about 30 mins so had I remained there and fell asleep, it might have worked in a couple of hours, who knows. I abandoned the attempt mainly cause I feared that it wouldn't finish me off and I would wake up with severe body damage. I didn't take any drug or alcohol, otherwise I would fall asleep quickly after entering there.

I can buy metoclopramide for very cheap in my country. Do you think it's a good idea to take it for CO method or is it unnecessary? What about sleeping pills or sedatives? Are they unnecessary too? I want to make sure that I won't vomit during the process and won't wake up until I'm done.

Once again, there are conflicting info regarding lump vs briquettes on this website. Some people recommend briquettes due to its longer burning time but some state that lump is better due to purity. One of the member here used briquettes in a tent and succeeded. She used Weber briquettes AFAIK. Is there a documented case on this forum where someone used lump charcoal and succeeded? I don't want to fail this time cause CO is not a game as you know it. It can have devastating consequences if it fails and one ends up severely poisoned.

Looking for constructive feedback.
 
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LeavingEarly

LeavingEarly

Specialist
Mar 19, 2022
376
So what were the main reasons the first attempt failed?
 
G

GodChallengesMe

Member
Mar 31, 2025
8
1. Quality of the charcoal was questionable. It was briquettes and most likely had cheap additives. They smelled terribly and burned my throat even though I completely burned it off and smoke was no longer emitting when I took it inside a bathroom.
2. The bathroom, although about 7 cubic meters in volume, has many cracks and crevices on walls and ceiling so the concentration of CO was not getting dense enough to reach lethal levels quickly.
3. I was nervous that it couldn't work since it took almost an hour to make me disoriented but even then I couldn't fall asleep despite being very sleepy even before entering the bathroom.
4. I think that had I taken sedatives and fall asleep quickly, it should have worked overnight. The briquettes burn at least 3 hours if not more so the CO concentration would have reached a steady state for many hours.

I don't know if lump is better than quality briquettes. They don't burn long enough and what if it stops emitting CO too early before the concentration reaches steady state to work? I only know one verified case here on SaSu and she used Weber briquettes in a tent. It worked for her. I don't know if 2.5 kg lump would be enough cause I can't burn more than that since I have only one large chimney starter. Moreover, burning 5 kg will make the little room too hot and unbearable to stay inside.
 
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J&L383

Enlightened
Jul 18, 2023
1,110
I don't believe any drugs need to be added to this. Meto, no, since there's no ingestion of a drug that could cause vomiting. Sleeping pills / alcohol, possibly. But the effects of the CO is largely independent of the actions of those. And as you alluded to earlier, it would be undesirable to wake up with brain damage, having fallen asleep during a partial success. Focus on getting the CO high enough quick enough.
 
G

GodChallengesMe

Member
Mar 31, 2025
8
I don't believe any drugs need to be added to this. Meto, no, since there's no ingestion of a drug that could cause vomiting. Sleeping pills / alcohol, possibly. But the effects of the CO is largely independent of the actions of those. And as you alluded to earlier, it would be undesirable to wake up with brain damage, having fallen asleep during a partial success. Focus on getting the CO high enough quick enough.
The problem is even if I perfectly time the job to align with my natural sleeping cycle, anxiety after entering the space is too strong to just close your eyes and fall asleep. Using sleeping aids should help with this IMO.

Regarding metoclopramide, I know it's unnecessary with this method but since it costs 2 dollars in my country and can be bought without prescription, I thought it would be an extra security step to take it just in case to prevent vomiting during the whole process.

What about eating? Is it a good idea to fast 24 hours before the act? I think doing this with empty bowels would be better to avoid unwanted things like gases or vomiting.
 
locked*n*loaded

locked*n*loaded

Archangel
Apr 15, 2022
8,943
I think you may be the same person, I'm not sure as I talk with many people, but I think I said it before that if this method is done correctly, you should go unconsciousness in no more than 2 minutes. Don't sit around for an hour waiting to go unconscious. If you're not unconscious after 2 minutes, just abort the attempt and fix what's wrong. Too much risk of neurological damage sitting around breathing in lower levels for extended periods. It's not worth it.
 
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Warriorsfan

Member
Jun 15, 2023
47
Way to go locked n loaded.
Total praise for helping Godchallengesme.
 
G

GodChallengesMe

Member
Mar 31, 2025
8
I think you may be the same person, I'm not sure as I talk with many people, but I think I said it before that if this method is done correctly, you should go unconsciousness in no more than 2 minutes. Don't sit around for an hour waiting to go unconscious. If you're not unconscious after 2 minutes, just abort the attempt and fix what's wrong. Too much risk of neurological damage sitting around breathing in lower levels for extended periods. It's not worth it.
AFAIK going unconscious in just 2 minutes is only possible if one allows the CO to build up to dangerous concentrations before entering the space. I'm going to enter the space immediately so it will take some time before the CO makes me unconscious. This is the reason I'm contemplating taking strong sedatives to make me less anxious and put me to deep sleep very shortly after entering the space. I just don't know which drug to take since not all drugs can be accessed freely. Also, if I end up taking sedatives, would taking antiemetics be recommended in such a case? I can get metoclopramide easily so it won't be an issue for me.

The main thing that bothers me is the charcoal type to use. The room is very small at approximately 6 cubic meters in volume. I can only burn 2.5 kg of charcoal, either lump or briquettes. Where I live there's Weber charcoal available in a nearby store, both lump and briquette versions. I think that 2.5 kg should be enough for my room size but there's no definitive conclusion regarding which type of charcoal is better to use.
 
locked*n*loaded

locked*n*loaded

Archangel
Apr 15, 2022
8,943
AFAIK going unconscious in just 2 minutes is only possible if one allows the CO to build up to dangerous concentrations before entering the space. I'm going to enter the space immediately so it will take some time before the CO makes me unconscious. This is the reason I'm contemplating taking strong sedatives to make me less anxious and put me to deep sleep very shortly after entering the space. I just don't know which drug to take since not all drugs can be accessed freely. Also, if I end up taking sedatives, would taking antiemetics be recommended in such a case? I can get metoclopramide easily so it won't be an issue for me.

The main thing that bothers me is the charcoal type to use. The room is very small at approximately 6 cubic meters in volume. I can only burn 2.5 kg of charcoal, either lump or briquettes. Where I live there's Weber charcoal available in a nearby store, both lump and briquette versions. I think that 2.5 kg should be enough for my room size but there's no definitive conclusion regarding which type of charcoal is better to use.
That's normally how it's done -waiting until CO concentration builds-up to a high level, then enter the space, and begin taking deep breaths. Sitting in a space for a long period of time with lesser concentrations *might* allow for the person to experience the effects of the CO like headache, nausea, irritated throat and nose linings, possibly vomiting, too. I don't think it would actually hurt anything to take meto, and I don't know how effective it might be. The only concern I would have is if there's infiltration of enough O2 to keep you alive, but at the same time you're breathing in all the CO, too, which is just causing neuro damage. And you come out of it alive, but screwed-up in serious ways.

I don't think 2.5kg is enough charcoal no matter how the calculations work out. There's going to be some loss of CO no matter how well the space is sealed. I plan on burning a whole lot more than that just inside a small 3-person tent.
 
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GodChallengesMe

Member
Mar 31, 2025
8
That's normally how it's done -waiting until CO concentration builds-up to a high level, then enter the space, and begin taking deep breaths. Sitting in a space for a long period of time with lesser concentrations *might* allow for the person to experience the effects of the CO like headache, nausea, irritated throat and nose linings, possibly vomiting, too. I don't think it would actually hurt anything to take meto, and I don't know how effective it might be. The only concern I would have is if there's infiltration of enough O2 to keep you alive, but at the same time you're breathing in all the CO, too, which is just causing neuro damage. And you come out of it alive, but screwed-up in serious ways.

I don't think 2.5kg is enough charcoal no matter how the calculations work out. There's going to be some loss of CO no matter how well the space is sealed. I plan on burning a whole lot more than that just inside a small 3-person tent.
Zanexx here entered the space immediately so it's not an issue IMO. You will get sedated after a while and put to sleep. I can't remember how much charcoal she used but I think she burned just one chimney starter so it couldn't be more than 2.5 kg (if she used a large chimney starter, otherwise it would be significantly less charcoal).

When I entered the bathroom and locked the door, my vision started blurry very shortly and slight vertigo set in. I was feeling weirdly good, it was pleasant to be honest. After about 30 mins the effects intensified and felt slight disturbances in the chest region near heart but nothing painful or bothering to abandon the attempt. It was the sign that the CO was doing its job but rather slowly. I just couldn't fall asleep and after about 1 hour sitting there, I felt unsure it would work at all (but now I'm sure it would had I fall asleep if taken sedatives prior entering the space).

Regarding burning more than 2.5 kg charcoal, I can do this but burning a full chimney starter takes about 90 minutes and if I repeat the process to double the charcoal, it will take yet another 90 minutes and the first batch of burnt charcoal will degrade and lose potency by then. Moreover, using 5 kg charcoal in a barely 6 cubic meter small room will raise the temperature a lot. If it was winter then it wouldn't pose a problem but right now it might be unbearable to stay inside a room with so much burning charcoal.

Yeah, meto wouldn't hurt, I agree, but strong sedatives are more important to just fall asleep before the CO effects kick in. I'm not comfortable entering in a space full of CO and get knocked out immediately, it kind of defies the purpose of peacefulness since it's predictable and frightening knowing that you would be getting a blackout immediately after opening the door and taking a deep breath. Might as well use a shotgun under the chin, the psychological terror is the same IMO knowing the immediate consequence of your simple action like opening the door and taking a deep breath or pulling the trigger to blow your brain out. That's why I find Zanexx thread the most peaceful since she simply waited to get sleepy by the accumulation of CO and it really feels amazing since I know the process firsthand. You get very high and euphoric and going to sweet sleep being aware that you will get to die after that. That part of being aware of imminent death is bothering of course and doesn't compare to events where people unknowingly die of CO poisoning but nevertheless it's still much more peaceful than entering the space after the gas buildup knowing that you will get blackout immediately.
 
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locked*n*loaded

locked*n*loaded

Archangel
Apr 15, 2022
8,943
Regarding burning more than 2.5 kg charcoal, I can do this but burning a full chimney starter takes about 90 minutes and if I repeat the process to double the charcoal, it will take yet another 90 minutes and the first batch of burnt charcoal will degrade and lose potency by then.
Use 2 chimney starters?

it kind of defies the purpose of peacefulness since it's predictable and frightening knowing that you would be getting a blackout immediately after opening the door and taking a deep breath.
I disagree. To me the peacefulness is not having to experience the nasty effects from the CO and, ofc, whatever death itself feels like. Knock me out, and knock me out fast.

I think the prospect of what you're doing is always going to bring about some level of SI with anxiety and fear. Seems hanging around in a conscious state, with more time to think about things, is just going to amplify any anxiety. In the end everyone needs to do what works for themselves, though.
 
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GodChallengesMe

Member
Mar 31, 2025
8
Well, people do die from CO without getting a slight hint of what's happening to themselves. They're not being thrown in a very dense CO atmosphere suddenly, they just succumb to slowly accumulating CO in the room due to a malfunctioned gas heater or even taking the grill with burnt charcoal inside their house not knowing it's dangerous to do so. This says a lot about the CO as a method and I'm quite sure that there's no need to enter the space full of CO to avoid something that never happens with this method. It simply makes you go to sleep and suffocate internally with poisoned blood, that's how simple it is. There's no awareness once you fall asleep and succumb to it. The problem with charcoal as a CO source is its longevity to produce CO steadily. Unlike malfunctioned heaters which produce CO at a steady rate and never stops unless someone cuts the supply of gas, charcoal has a limited emission life of CO and after a certain point it stops producing it completely. If it definitely emits the CO for many hours like reports of it indicate (up to about 7 or even 12 hours), it's definitely enough to kill a person in a small, confined space in that timeframe. Some people might die in just about 2 hours but nobody can survive a steady state CO atmosphere for 7 hours straight. It's just a matter of using a type of charcoal that will produce the CO for that many hours and briquettes is known to burn longer so...

I've seen many cases where people used just a medium sized pan to burn the charcoal and succeeded. Some even did that in their normal sized rooms and died nevertheless. It means that even low concentrations are enough to kill someone once they fall asleep provided the charcoal continues emitting the gas for hours.
 
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gojidoge

gojidoge

Member
May 25, 2025
43
I was reading this thread and noticed you said you can only burn 2.5kg at a time, and you're worried if you did a second batch that the first batch will degrade? This is in no way telling you what to do since I don't have the knowledge, but can't you do the first batch and dump the charcoal into a pan and put it in the bathroom, close the door and seal any noticeable gaps, then do a second batch and then go in there with it? Wouldn't the concentration of co build up while you're doing the second batch, and then when it's done and you go in and add it? Wouldn't that work or am I missing something?
 
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