quick ph controller quesiton - The Planted Tank Forum
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post #1 of 4 (permalink) Old 05-03-2014, 05:52 PM Thread Starter
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quick ph controller quesiton

I just obtained a ph controller for my co2.

My water sitting, well aerated and an airstone for 24hours is 7.6, my dkh is 11.

Should i set the co2 controller to 6.6 with a ph drop of 1 or 7.2 according to CO2/pH/KH table?

I also just acquired amano shrimp and I was trying not to gas them out with too much co2. I am also 2.1wpg.
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post #2 of 4 (permalink) Old 05-03-2014, 06:26 PM
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Start with the chart. Than work your way down to the desired ph. Be very observant of your fish. If they start showing signs of stress back off.

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post #3 of 4 (permalink) Old 05-03-2014, 08:29 PM
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If starting at 7.6, I would start at 7.2 or 7.4, observe the fish shrimp and then after a few days, look at moving down very slightly. Animals can often adapt but it takes time. I might take a month to go for the full point drop and I'm not surprised when I sometimes have to back off to get them acting right.
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post #4 of 4 (permalink) Old 05-04-2014, 12:44 PM
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Yep, nothing wrong with going slow. The good thing is your current light level will let you play with the setting without causing issues with your plants.

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