EC pen calibration solutions

Calibrating your EC pen is like changing your toothbrush.

Growers are advised to calibrate their TDS/EC pens every 6 months. Nothing beats a bad harvest because of a miscalibrated EC meter.

Purchase our conveniently bottled calibration solutions (12.88ms and 1413ms) to ensure your TDS/EC pen sensors are in tip-top condition and that your plants are getting the right nutrient concentrations for optimum growth. 

To understand how to calibrate: please refer to this video: How to Calibrate your TDS/EC meter