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Offlinespacechildo
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Registered: 01/24/13
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Re: Some questions on the subject of CO2 density and extra hole placement [Re: mushboy]
    #24270273 - 04/25/17 09:29 AM (7 years, 8 months ago)

yes, and remember both hot and humid air rises, the substrate creates heat and humidity creating air flow towards the top of the tubs.

also remember air isnt 100% oxygen, its a mix of a bunch of gases and consists mostly of nitrogen.
that doesnt mean the lighter hydrogen is layered at the top, making it dangerous to light a lighter at the ceiling in a grow room.

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InvisiblebodhisattaMDiscordReddit
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Re: Some questions on the subject of CO2 density and extra hole placement [Re: spacechildo]
    #24270276 - 04/25/17 09:32 AM (7 years, 8 months ago)

give or take about 21% oxygen
co2 is like 400ppm at 0.04% of "air"
if you can imagine if a substrate got up to 10000 ppm of co2 or 1% it would "Seem" as if it was blanketing but it's really not.

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