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Re: [APD] Raise CO2 until fish act weird

Unless you have relatively large amounts of ammonia/ammonium, which one typically does not in a planted aquarium, what diff would that make?
* * * * * * * * * * * 
The Northeast Council of Aquarium Societies (NEC) celebrates its 50th year of service at its 31st annual convention, April 7-9, 2006 -- including *An Evening with Aquarium Legends*.
Read the speaker list, then download the registration form, and get set to join the fun at what promises to be the year's biggest tropical fish convention.
And while you're there, attend the AGA's annual meeting Friday afternoon (2-4pm). This year's speaker is Claus Christensen, Tropica's Managing Director. 

----- Original Message ----
From: Stuart Halliday <stuart at stuarthalliday_com>
To: aquatic plants digest <aquatic-plants at actwin_com>
Sent: Thursday, February 23, 2006 5:32:10 PM
Subject: Re: [APD] Raise CO2 until fish act weird

I believe Jerry Baker wrote this email section below:
> Billionzz at aol_com wrote:
>> Is there a CO2 level where all fish start to act weird or does it  vary much 
>> from one species to another?
> Different species seem to have different sensitivities to CO2. Basically 
> CO2 levels in the water have to reach levels where it becomes difficult 
> for it to diffuse into the water from the gill membranes.

Could it be due to a ph shift caused by the CO2?
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