Hanna is much much more accurate, it uses digital "eye" to read to color and doesnt rely on you "guessing" what shade of light blue the color is
Also the hanna ULR mesures in ppb then you convert it to ppm ,
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Current tank---125 gallon mixed reef 60 gallon sump, Reef octopus nw200 skimmer, Rapid LEDs, Maxspec gyre, Mp10s, Fuge, Biweekly 20% WC, QT everything
Last edited by Craigdillman; 01-03-2017 at 06:09 PM.
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