Oakton 1413 TDS Solution -- 500 ml
Calibration Solution Helps Ensure Your TDS Instruments Operate with Maximum Accuracy1413 S TDS Calibration Solution is 744.7 ppm KCI; 702.1 ppm NaCl; 1000 ppm 442 1 pct. at 25C. One pint bottle is 460mL and measures 738""H x 212""dia.