High CO2?? - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 11-06-2011, 07:22 PM Thread Starter
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Exclamation High CO2??

Hello,
I have an a serious question that possibly needs a quick answer! Inside my fluval Flora I am using the stratum that came with the setup and I also have a piece of driftwood that is releasing tannins. I did a 20% water change last night. I have a filter with foam and Seachem Purigen as filter media. My PH this morning was at 6.5 and had a KH of 53.7-71.6 (API KH test is a little hard to distinguish colors) so that put my co2 levels at 33.02 roughly. About 2 hours later I checked it all again and my parameters are PH of 6.0 and a KH of 53.7 giving me a co2 level of 90! Is this correct?? I am housing a bamboo shrimp and a red eyed puffer. Am I suffocating them??
Thank you all for the help!
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post #2 of 7 (permalink) Old 11-06-2011, 07:30 PM
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this method is unacurate
read this article
http://www.ukaps.org/drop-checker.htm
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post #3 of 7 (permalink) Old 11-06-2011, 07:49 PM
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A better ballpark (but hardly accurate) method of determining your CO2 would involve the use of a drop checker and 4dKH solution. Check here or Evilbay. Very cheap.
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post #4 of 7 (permalink) Old 11-06-2011, 08:10 PM Thread Starter
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Thanks guys. I just purchased a drop check. Should be delivered by Friday!
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post #5 of 7 (permalink) Old 11-06-2011, 08:13 PM
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Get a 4dKH solution as well. You'll have the same problems if your checker uses tank water instead of 4 degrees KH solution as you did just using a basic pH/KH chart.
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post #6 of 7 (permalink) Old 11-06-2011, 08:18 PM
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+1 to drop checker...

lol... thanks to the people on this forum who taught me its required for co2 injection :P
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post #7 of 7 (permalink) Old 11-06-2011, 08:21 PM
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Quote:
Originally Posted by Naekuh View Post
+1 to drop checker...

lol... thanks to the people on this forum who taught me its required for co2 injection :P
No, not required. It's just that the other method means waiting until your fish start giving you really evil looks before you realize you've hit the limit
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