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Old 06-18-2011, 08:47 PM   #3
Algae Grower
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Join Date: Jun 2011
Location: NE Mpls,MN
Posts: 5

Well the pH comes out of the tap around 9 and after sitting out it settled to 7.9 this morning. There is nothing to hold up the pH. KH is 0 and GH is 60. I heard that Mpls add poly/ortho phosphates as buffer and to keep water from deteriorating the pipes. There is even Nitrates in the water this spring. I have 5ppm NO3 in the tap water now.
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