Bluelab Probe Care Kit EC/ PH trimming scissors 5 mS/cm (Part A plus

5 mS/cm (Part A plus Part B and assuming source water at 0

) or above 95 degrees F

soft brown scale

Final flush before harvest: Drain old nutrient solution and discard

ornamental and bedding plants

Bluelab Probe Care Kit EC/ PH trimming scissors 5 mS/cm (Part A plusProbe Care Kit EC PH. To ensure ongoing accuracy and longevity, we recommend that you maintain your Bluelab probes on a regular basis. While no calibration is required for conductivity and temperature, you will need to calibrate your pH probe. Your Probe Care Kit contains sachets of pH 4. 0, pH 7. 0 and KCl solutions for calibrating and storing your pH probes, as well as 2. 77 EC standard solution for testing your conductivity probe after cleaning.