Laboratory-grade purity ensures accurate EC measurements for optimal plant nutrition
Compatible with all Bluelab EC and CF meters for versatile calibration needs
Prevents contamination between solutions to maintain measurement validity
Supports both vegetative and flowering plant growth stages for flexible use
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Bluelab 2.77 EC Calibration Solution
Keeping your nutrient strength meter calibrated is essential for taking accurate readings, which in turn allows you to keep your nutrient solution at the correct strength range. If nutrient concentrations are too weak, plants become deficient and if they are too strong, plants will start to look burnt