Description
HM DIGITAL TDS AND EC CALIBRATION SOLUTION 342PPM
also known as Water Tester Solution and TDS Meter Calibration
NaCl calibration solution, 342 ppm.
Stored in a 3 fl oz. (90 ml) plastic bottle.
Sealed with a coated foam liner.
Solution Conversions: 342 NaCl = 362 as KCl