Stable PH and Co2 - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 08-21-2014, 08:40 PM Thread Starter
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Stable PH and Co2

I want to have a stable PH for my tank 24/7, and when I run Co2, normally my PH drops to 6.6 (from 7.2-7.3).

My goal is to keep it at 6.6 because I keep a lot of Crystal red shrimps in this tank. If I kept my Co2 on 24/7, and after the lights turn off, I have a air pump run, will that gas out the Co2 fast enough to keep the shrimps happy and tank at 6.6 PH?

Thanks


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post #2 of 3 (permalink) Old 08-21-2014, 09:17 PM
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ph

Get a ph controller. I use one and it keeps my ph constantly at 6.7. Your regulator will need an electric solenoid though. Some people don't like the controllers. I love mine. Couldn't do without it. I also have 2 drop checkers . I use them to set my ph controller. When I get the green color I want , that's where I dial in my controller. I use the supreme regulator from GLA and a Milwaukee mc122 ph controller. You probably don't need the air pimp at night if you use a Ph controller , it will keep it constant 24 hours per day. But this is just my opinion of what is working for me.
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post #3 of 3 (permalink) Old 08-21-2014, 09:26 PM
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I wouldn't worry about the CO2 changes induced by CO2. It's the KH and other water qualities that are important. Your fish, shrimp, bacteria or plants don't need CO2 at night so why add it? In fact, I would say the chronic high CO2 levels at night will affect you inhabitants FAR more than a simple PH swing.
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