The Planted Tank Forum - View Single Post - Well water with pH of 4.1 and almost 0 KH and GH
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Old 01-29-2013, 01:20 AM   #4
wlahey
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I should have mentioned, I now have my controller to have a lower limit of 5.5 pH and lights out it goes up to 6.1. CO2 now runs long enough to turn drop checker green at a reasonable pH.
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