PlantedTank

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Raised CO2 levels to 70ppm (1.3+pH drop). Been so for most part of the day with Cardinal tetras feeding normally, which begs the question how much CO2 does it take to gas fish... The tolerance between species vary and also O2 saturation is separate from CO2 - higher O2 allows higher CO2 levels.

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Raised CO2 levels to 70ppm (1.3+pH drop). Been so for most part of the day with Cardinal tetras feeding normally, which begs the question how much CO2 does it take to gas fish... The tolerance between species vary and also O2 saturation is separate from CO2 - higher O2 allows higher CO2 levels.	42