Bluelab pH Probe KCl Storage Solution, 100 ml growing-media KALIX Humic Acid is a

KALIX Humic Acid is a highly concentrated (57%) formulation of water soluble organic acids that are found naturally in soil matter

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Bluelab pH Probe KCl Storage Solution, 100 ml growing-media KALIX Humic Acid is aThe perfect solution to store and hydrate your Bluelab pH products. Bluelab knows it is extremely important to care for and store pH probes correctly. pH probes are sensitive glass instruments which age through normal use. The life and performance of pH probes is reduced heavily when they are stored dry. Bluelab pH Probe KCI Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and maximize