Re: [APD] CO2 Absorption

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

uh huh. But it will be lower if you have biowheel or
airstone, etc.

And water holds more at lower than higher temp so that
makes bit of diff too.

sh
--- Bill D <billinet at comcast_net> wrote:

> I have read that the equilibrium level of CO2 in an
> aquarium under normal
> conditions is about .5 ppm.  To me that means that in an
> open aquarium with
> no flora, fauna, lighting, or substrate, the CO2 level
> would be that.
> Right?
> 
> I've also read that the CO2 level in the "typical"
> planted aquarium without
> CO2 injection is between 2 and 4 ppm.
> The difference would be the CO2 produced by the organisms
> in the aquarium.
> Right?
> 
> Thanks.
> 
> Bill
> 
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