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AquaticTechTank.net • View topic - CO2 levels for fish

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mistergreen
 Post subject: CO2 levels for fish
PostPosted: Thu Jan 10, 2013 11:28 am 
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Joined: Fri Nov 30, 2012 1:54 pm
Posts: 279
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.
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mistergreen
 Post subject: Re: CO2 levels for fish
PostPosted: Mon Jan 21, 2013 11:34 pm 
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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.
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WheeledGoat
 Post subject: Re: CO2 levels for fish
PostPosted: Wed Apr 17, 2013 10:54 am 
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Location: Chicago, IL
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.
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mistergreen
 Post subject: Re: CO2 levels for fish
PostPosted: Wed Apr 17, 2013 3:11 pm 
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