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Pool eXact® EZ Basic Kit (486201-K)
Both will give a 1:40 dilution
eXact iDip® 570 Freshwater Aquarium Professional Test Kit (486107-AQ2-K)
This test is USEPA ETV verified
providing a wide range of color development
WaterWorks™ Zinc Check Parameter_Sulfate Pool eXact® EZ Basic KitWaterWorks 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
