The Planted Tank Forum - View Single Post - balancing a new setup | leave CO2 on 24/7?
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Old 11-14-2012, 08:21 PM   #3
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Is there any reason why you are running a 9 hour photo period?

CO2 levels are about right. Do you start the CO2 30 before light on and stop 30 min after light off?

I think you can make a noticible dent in the algae by cutting back the light period to 7 hours without changing much else. If you were to troubleshoot this, change only 1 variable at a time and let the tank adjust over a few days to assess effectiveness.
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