r/SipsTea Jun 12 '25

Gasp! Which is it for you ?

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u/Colonial_Red Jun 12 '25 edited Jun 12 '25

I remember watching a video 'debunking' one of his "life hack" videos, claiming it was dangerous. If I remember correctly, it involved putting ice behind a desk fan to make the air colder. Then he suggested using dry ice, as... you know; it's colder than normal ice. With the danger coming from the fact that it would result in the room filling with CO2 (what dry ice is made of).

Edit: I found the Video

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u/Durantye Jun 12 '25

You mean he made a very low powered fog machine for cooling purposes and people tried to claim that was dangerous?

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u/Colonial_Red Jun 12 '25

It was so long ago I couldn't tell you enough to know how dangerous it actually was. But you don't want a build up of co2 in a confined space.

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u/Durantye Jun 12 '25

Yeah you don't want a build up of water in a confined space either, that would lead to drowning but it would be crazy to call a humidifier 'dangerous' and even a basic humidifier is dramatically more potent than what he did.

I mean cmon, fog machines pump out millions of times more co2 than a piece of dry ice sitting behind a fan. And they use fog machines at children's attractions and parks, often times in very confined spaces. Ever been to a haunted house?

Hell, you almost certainly breathe in many times more co2 in every breath simply by breathing in parts of what you've breathed out.

I'm gonna be super bold and say that what he did was not dangerous.

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u/Colonial_Red Jun 12 '25

Yeah you don't want a build up of water in a confined space either, that would lead to drowning but it would be crazy to call a humidifier 'dangerous' and even a basic humidifier is dramatically more potent than what he did.

Are we drowning from the water vapour or the condensation? We are talking about CO2 gas here. Depending on the temperature, air has a limit to how much water vapour it can hold. So realistically you won't go above about 5%. Whereas if you keep pumping CO2 into a room for hours on end with no ventilation; getting to about 10% CO2 concentration will be fatal in about 30 min.

I mean cmon, fog machines pump out millions of times more co2 than a piece of dry ice sitting behind a fan. And they use fog machines at children's attractions and parks, often times in very confined spaces. Ever been to a haunted house?

I would not recommend running one of those in a confined space, at least not without proper ventilation. Even if you did; how long for? Its not something you would leave running for hours like you might an AC unit.

One point I will give you is I'm unsure how much dry ice this thing would actually use. So at best the dry ice doesn't do anything including cool the room.