CO2 and pH swings - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 05-10-2015, 06:18 PM Thread Starter
Algae Grower
 
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CO2 and pH swings

will there be a big CO2 swing when i turn the co2 off at night and turn it back on in the morning?

i have 2 WC peruvian angel pair and dont want to shock them with big pH swings.


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post #2 of 3 (permalink) Old 05-10-2015, 06:21 PM
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It isn't the pH swings.

It is the changes in mineral levels.

Since CO2 on/off does not change mineral levels the fish are fine with it. Generally you are aiming for a 1 unit change in pH, for example, 7.0 when it is off down to 6.0 when it is on. Fish are fine with this.
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post #3 of 3 (permalink) Old 05-10-2015, 06:29 PM Thread Starter
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ok thanks!


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