WaterWorks™ Zinc Check Parameter_Sulfate Both will give a 1:40

Both will give a 1:40 dilution

For best Accuracy use with a fresh drawn sample before Ferrous Iron +2 (if present) oxidizes to Ferric Iron +3 in contact with oxygen in air

Pool eXact® EZ Basic Kit (486201-K)

50 ppm (mg/L) (as Cr+6)

Nitrate (NO3): 0

WaterWorks™ Zinc Check Parameter_Sulfate Both will give a 1:40WaterWorks Zinc Check for water quality testing is designed for detection of Zinc in water. There are no hazardous chemicals to mix and MSDS is not required. Note: Similar positive color development shows up with the presence of Cu+2 (>0. 1mg L), Mn+2 (>5 mg L), and Fe+2 (>10 mg L). Most interference from other metals can be overcome by adjusting the pH between 4. 0 to 5. 5 and adding sufficient Sodium Thiosulfate before test analysis. Contains 50