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CO2 levels for fish
http://aquatictechtank.net/viewtopic.php?f=26&t=136
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Author:  mistergreen [ Thu Jan 10, 2013 11:28 am ]
Post subject:  CO2 levels for fish

At 40+ppm, my danios group together in the corner and won't feed.
I'm using my sensor to get the reading viewtopic.php?f=11&t=11

I'm bumping my CO2 controller down to 38ppm.

Author:  mistergreen [ Mon Jan 21, 2013 11:34 pm ]
Post subject:  Re: CO2 levels for fish

I had an accident with my co2 controller. The relay didn't turn off (bad code). At 91 ppm of co2 the bottom dwellers were on the verge of kicking the bucket, laying on their sides. The top swimmers were on the surface gulping air.

Author:  WheeledGoat [ Wed Apr 17, 2013 10:54 am ]
Post subject:  Re: CO2 levels for fish

that's interesting to know... i figured everybody would be belly-up by the time you got over 60ppm! at least there's more wiggle room than I imagined.

Author:  mistergreen [ Wed Apr 17, 2013 3:11 pm ]
Post subject:  Re: CO2 levels for fish

WheeledGoat wrote:
that's interesting to know... i figured everybody would be belly-up by the time you got over 60ppm! at least there's more wiggle room than I imagined.


Yeah, there's quite a bit of wiggle room. Some actually keep it at 60 ppm on a consistent basis but some of my fish can't handle that. Some are more sensitive than others, something that isn't discussed much.


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