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Old 12-14-2011, 01:41 PM   #7 (permalink)
Join Date: Mar 2009
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Default Re: Emersed Iwagumi - Angel's Landing

Air does have plenty of CO2 LOL - otherwise we wouldn't have plants at all :P

The thing to keep in mind with CO2 is that it's actually heavier than the other molecules that make of air (mostly oxygen and nitrogen). So unless you have airflow to encourage diffusion, it'll tend to pool toward the bottom of a glass enclosure... as such, in a sealed environment, you could very well be getting somewhat hypoxic.

Fun Experiment: make a balance using two paper bags and a stick (yardstick, bamboo pole, broom handle, etc). Use the oldschool vinegar & baking soda combo to produce lots o' CO2 quickly and "pour" the resulting gas into one of the paper bags - the CO2 filled bag will weigh more than the unmodified one.
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