TDS and EC Calibration Solution 342ppm

For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.

Features:
NaCl calibration solution, 342 ppm.
Stored in a lightweight HDPE plastic bottle.
Sealed with a coated foam liner.
3 oz. bottles (88.7 ml)

Solution Conversions: 342 NaCl = 362 as KCl