Re: [APD] Raise CO2 until fish act weird

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

It's def not the same for all fish. In fact, if you have Amano shrimp, they seem among the first to head to the surface and hang out there when the CO2 starts too get high. You probaslby won't run into real trouble until you get up around 50 ppm. But given the margin of error in the way aquatic gardeners calculate the CO2 level, you want to use observation of the animals to verify the safety of a calculated CO2 level.
 
sh
 
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----- Original Message ----
From: Billionzz at aol_com
To: aquatic-plants at actwin_com
Sent: Thursday, February 23, 2006 2:32:01 PM
Subject: [APD] Raise CO2 until fish act weird


Is there a CO2 level where all fish start to act weird or does it  vary much 
from one species to another?

If they all start to act weird in somewhat the same range, what would that  
CO2 range be?

Thanks,
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