Yea it's way more accurate if you google the checker or phosphate ppb conversion and click images I think there is a little table you and print out cheat sheet for the conversions
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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
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