marzig Well-Known Member Sep 13, 2023 #1 If using a meter everyday to check nutrient solution how often is calibration of pH and EC necessary?
If using a meter everyday to check nutrient solution how often is calibration of pH and EC necessary?
marzig Well-Known Member Sep 13, 2023 #3 Skillcraft said: I calibrate mine every 3-4 weeks. Click to expand... Thanks!
