Bought the culture and starter medium from Amazon. I didn't dechlorinate my tap water so the first batch of culture I added yellowed and presumably died. Eventually the chlorine evaporated and subsequent additions seemed to take.
this post was submitted on 12 Feb 2025
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New idea on this one. Use the exhaust gas from an O2 concentrator or a Nitrogen concentrator as input I to the bioreactor.
Theoretically, the exhaust gas from the concentrator had the Oxygen or Nitrogen mostly stripped out, so the percent of CO2 might be higher.