Co2 & ph question - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 06-16-2010, 09:51 PM Thread Starter
Algae Grower
 
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Co2 & ph question

Hi,
my co2 has been turned off due to a blackout and when i turned the co2 back on last night ph was 7 and my kh is 5-6. This morning the ph was 6.8 and co2 was turned off due to ph controller but my co2 drop checker is still blue. What you suggest i do to get the co2 up in the tank??? and theres not enough co2 in there becuase the checker isnt lime green.
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post #2 of 3 (permalink) Old 06-17-2010, 04:48 AM
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First, disconnect the pH controller, and adjust the CO2 bubble rate yourself. You didn't say what size tank this is, so I have no idea what a good starting point for bubble rate would be.

Hoppy
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post #3 of 3 (permalink) Old 06-17-2010, 05:10 AM
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My PH controller on my 20G turns off solenoid when PH reaches 6.8. About 2 weeks ago I run out of CO2 and I filled the tank a week later. Now, when the PH reaches 6.8 it just stuck in there and does not turns off solenoid.

What seems to be the problem?
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