Re: [APD] O2 and CO2 In Solution

["S. Hieber" <shieber at yahoo_com>]

True that the O2 is not being produced in the dark, but the daytime saturation level should keep the nighttime level high enough for fish and plants until morning and beyond. In fact, I think you are more likely to find poor O2 levels in tanks without added CO2 than in tanks with.
 
Basically, using CO2 (whether on a controller, timer or run 24-7) shouldn't present any O2 problems.
 
sh
 

 
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----- Original Message ----
From: Stuart Halliday stuart at stuarthalliday_com



Surely only whilst a light is on?

At night, the CO2 is still getting generated and the O2 is not.
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