How to lower my PH 8.0 to PH7.0 ? - The Planted Tank Forum
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post #1 of 5 (permalink) Old 03-03-2006, 02:21 AM Thread Starter
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How to lower my PH 8.0 to PH7.0 ?

Hello, i just got my Milwaukee SMS122, test the calibration solution. it got reading of PH7.0, then i put it into my fish tank, it said PH 8.1, but what do i need to do make the water to lower PH. right now i don't have co2 put into yet. but i will put co2 by tommorow? or will most plant will grow on PH8.0 water?
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post #2 of 5 (permalink) Old 03-03-2006, 02:53 AM
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When you start injecting the CO2 into the tank, the pH will start to drop. You can certainly get some plants to grow with no CO2 and a pH of 8, but not likely a lot of them. But, now that you have the controller, why would you not want to start injecting CO2?

Oh, and what's so special about a pH of 7.0? I know when I started my first tank, I was pretty obsessed with hitting a pH of 7.0. But, there's not really a good reason, IMO, for doing this. What's your reason for choosing 7.0?
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post #3 of 5 (permalink) Old 03-03-2006, 05:41 AM Thread Starter
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Oh, i didn't know if put co2 into the tank that will get the PH go down. the reason i didn't start injecting co2 is because i am not sure what i can do for the reactor i had, is (Aqua Medi 500). and i have Ma957 regulator.
and a XP3 Filter. but now i not sure how i am going to get it working. xp3 filter and aqua medic 500, just don't work very well togetter. i think xp3 is to powerful for the reactor. so i am not sure should i just let the co2 suck dir into the xp3 filter then come back out.
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post #4 of 5 (permalink) Old 03-03-2006, 05:43 AM Thread Starter
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Also is it plant grow better & faster on 7.0PH?
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post #5 of 5 (permalink) Old 03-03-2006, 05:57 AM
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PH has little to do with plant growth other than the measurement of how much CO2 is in the water.

your determination should be on the GH/KH of your water, not the PH.

my PH is aproximatly 6.4 at night and 7.2 in the day.

this is a good article that you need to study
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