Antiscalant dosing 1 year ago calcgeek com 16 minutes Select antiscalant SpectraGuard 100SpectraGuard 111SpectraGuard 150SpectraGuard 250SpectraGuard 350SpectraGuard 360SpectraGuard 370 Antiscalant dosage ppm Day tank concentration % Day tank volume galL System feed flow gpmL/hr Antiscalent flow rate ml/mingpd Weight of antiscalant to be added lbs Volume of antiscalant to be added gal #Antiscalant #dosing