Description
For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.NaCl calibration solution.Comes in lightweight HDPE plastic bottles.Laboratory quality NIST-traceable solutions.Any brand TDS meter can be calibrated to any brand of calibration solution.Bottles have a convenient wide mouth, allowing a user to simply insert the meter into a stable bottle.Sealed with coated foam liner