Bluelab 250 ML pH Probe KCL Storage Solution - Hydroponic Testing Equipment Patio The origin of the name

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VitaLink ESSENTIALS pH Down 250ml (81% Phosphoric Acid) is a quality adjuster necessary to control the pH of nutrient solutions

Bluelab 250 ML pH Probe KCL Storage Solution - Hydroponic Testing Equipment Patio The origin of the nameProduct Features Benefits Contains 250 ml Compatible for use with Bluelab pH pens, Bluelab soil pH pens, Bluelab pH probes and Bluelab soil pH probes. Improve longevity with KCl How to care for your Bluelab pH products Your pH probe is a sensitive glass instrument that ages through everyday use. If you want to improve your Bluelab pH products response time and longevity, make sure that you use Bluelab pH Probe KCl Storage Solution 250 ml to store and