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Old 05/20/2019, 10:27 PM   #6
bertoni
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Join Date: Mar 2002
Location: Mountain View, CA, USA
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You probably can get a reading by using two syringes for the final titration, and adding the results. I'd increase the water change rate, if that's not too much work or cost. To cause that kind of problem, I'd expect the magnesium to be extremely high. What is the magnesium level in the freshly-mixed saltwater?


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Jonathan Bertoni
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