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In a small bottle nearly filled of Chlorella in water and grow medium, how long would it take for them to die (with or without light).

Thanks in advance ;)

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  • $\begingroup$ Calculate the oxygen in the bottle, calculate how much oxygen the Chlorella will use all together per second = time. Best I can give you with no specifics provided. $\endgroup$ – Nathan Jul 13 '17 at 19:27

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