Keep all of your monitoring equipment properly calibrated with these solutions. Choose from buffered pH solutions to EC solutions to TDS/PPM solutions. Each is made by industry leaders like long time horticultural lab equipment manufacturer Hanna Instruments or a more recent arrival to the scene, Cyco. Each will allow you to keep your meters tuned to within acceptable tolerances for error, giving you the knowledge that you need to make informed decisions based on your crop’s nutritional needs.

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