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[APD] Re: CO2 levels
This pH is for my 20 gal which is on tank CO2. The morning pH is
occasionally as low as 6.8 though it is usually closer to 7.0; by the
end of the day it is up to 7.2. I could moderate this with a solenoid
on a timer to shut the CO2 off at night, but I've never had any
problems with either fish or snails in over two years of running things
this way. (The SAE in this tank is over 9 years old!) My DIY CO2
tanks tend to be around 7.2 at 11 deg kH. The tank with the higher CO2
levels seems to always have the least amount of algae.
On Mar 25, 2005, at 9:02 AM, aquatic-plants-request at actwin_com wrote:
30 ppm is borderline healthy.
ppm C02 = 3 * dKH * 10^(7 - pH)
Though, I must admit that once I woke up to find my CO2 content at
133ppm. The snails were heading for high ground but the fish appeared
be OK. Odd. I thought they ought to be dead. They didn't seem to be the
slightest bit sluggish either.
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