Thread: Hanna checker
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Unread 01/02/2018, 02:16 PM   #10
bertoni
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Join Date: Mar 2002
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I wouldn't say that we know of an optimal phosphate level. That might vary depending on the species in the system. I agree that the accuracy of the phosphate meter is poor at the low end. ±0.04 ppm is a bit wide as far as the range.


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