this post was submitted on 05 Jun 2026
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I have a CO² sensor. When I sleep with the door shut, the CO² climbs up to and levels out at >1800 ppm.
I have a noticable headache the following day when I do this. I've tested it for nine days and now I've got a doorstop which prevents me from closing the door completely by accident or with drafts
Mine goes up to 2850 or so, even when I air out the room in the evening down to 430 or so.
But luckily no headache for me. I can't handle having the door open, I'm the last flatmate to get up in the morning.
That is wild.
Well there's another sensor to add to my wish list!
Although, we have a lot of HVAC flow into the bedroom so maybe the difference wouldn't be huge.
Brew vats of algae in your room. Creates a ton of oxygen and is really easy to care for.
That's the most engineer ass answer I've ever seen.
High Co2? Algae can solve that. How much... Well a vat should do, better make it two just in case.
"Why yes, I do keep vats of algae in my bedroom why do you ask?"
There was a video from a guy that tested that. It didn't go as well as he hoped.
And you're just going to trust us to find the video ourselves?
Don't worry, you got this. I believe in you.
What kind of algae? I want to grow a vat of it. Assuming it's a fresh water algae.
Get a Snake plant. They create a lot of Oxygen and easy to take care of.
Open the window.
Get better airflow in your room through ventilation.
Wear an o2 mask
Look for the largest air bubbles:
A mosquitoe wrote this.