CO2 level in planted tank - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 07-19-2013, 02:12 PM Thread Starter
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CO2 level in planted tank

I have a 75 g planted tank, set up for about a month, fishes are happy, plants are ok, with a minor algae issue. I'm using DIY CO2 with 2X 2L bottles and a DIY reactor. My pH is 6.2 and Kh is 3. Depending on which chart you use, my CO2 level is between 40 to 70 ppm. That apeared too high and I did see fishes come to the top during light off period. Should I stop the CO2 or try to increase the pH?

I use Turface with a little Aquasoil and a large piece of drift wood, they turned my tap water from pH=8.2 to 6.2. How do you increase pH without using buffer solutions?

Thanks.

Last edited by wheeling; 07-19-2013 at 02:15 PM. Reason: content
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post #2 of 6 (permalink) Old 07-19-2013, 04:46 PM
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That reactor must be super efficient to nearly gas your fish on a yeast setup in a 75g. I am jealous.
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post #3 of 6 (permalink) Old 07-19-2013, 05:14 PM Thread Starter
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It is just a plastic tube with a spong on one end and a power head on the other. The boubles coming out are so tiny, you hardly see them. But I think my pH is too low, the question is how to raise it naturally?
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post #4 of 6 (permalink) Old 07-19-2013, 05:20 PM
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An air stone thrown in your tank that comes on when the lights go out will probably raise your PH as you want. Having the air stone turn off when your lights come on will allow the co2 to do its job.
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post #5 of 6 (permalink) Old 07-19-2013, 05:27 PM
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do you have a driftwood in the tank? it serves as a natural pH buffer
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post #6 of 6 (permalink) Old 07-19-2013, 05:28 PM Thread Starter
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Have that, in teh tank. The problem is the Turface that reduces ph and kh.I have got 40 lbs in teh tank. It is very light, so 40lbs is a lot.
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