Essentials
CF Calibration Fluid CF28-EC2.8-PPM1820 250ml
Calibration Fluid to keep your nutrient meters perfectly balanced
Regular maintenance of you meters is recommended, once a week is ideal but at least once a month is a must. Avoid over or under feeding issues.
Pour a little of the calibration fluid into the cap and check the reading on your meter. If the meter reading and the desired reading are not the same a small adjustment to your meter is required. Follow the instruction provided with your EC/CF/PPM Meter
