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re: Low oxygen vs. high CO2
>David Ozenne wrote:
>I conclude from this that the SAEs are more sensitive
>to low oxygen conditions ....
In the posts one month back I noted that I had a situation once wherein
equipment failure brought the oxygen level down to 2.8ppm. I estimate
it could have been this low for about 5 hrs.
I think 2.8ppm is pretty low and it showed in _very_ rapid breathing of
the SAEs ... but they still lived. So I pose the question: is it a
in the ABSOLUTE level of oxygen which bothers the fish or is it a reduction
RELATIVE to the level their accustomed level?
christopher.coleman at worldnet_att.net