Salifert Test & Cupramine Question

dun2run

New member
I am dosing Cupramine and testing with Salifert. I just noticed that the dosing instructions on the Cupramine is read in mg/L. The Salifert test is in ppm. At full strength, should the test read 0.50 ppm? (Cupramine instructions say "Final copper concentration is 0.5 mg/L.)
 
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