Contains 500ml. TDS Calibration Solutions are available for all of your TDS meters. Each solution is made with superior quality ingredients and is conveniently colour-coded for easy reference. Be sure your meters are accurate by calibrating with Grotek Solutions.
Directions for Use:
If using a TDS meter without temperature compensation, the calibration solution should be room temperature: approximately 23°C - 27°C.
Place TDS meter probe in the calibration solution.
After the reading on TDS meter is steady, adjust meter to give correct reading.
Rinse probe with water.
For best results, cross calibrate with TDS Calibration Solution 1400 ppm.