Bluelab PROBPH pH Probe for Water, Replacement Electrode for Meter, Monitor, and Controller with Easy Calibration, Tool for Hydroponic System and Indoor Plant Grow

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About This Measures pH in water and soil (acid or alkaline) for precise up and down adjustment; General uses include coco coir blends, rockwool, growing tent, reservoir, water tank , and hydroponics Designed for use with Bluelab Combo Meter, Bluelab Combo Meter Plus and Bluelab Multimedia pH Meter; 2 meter / 6.6 foot standard cable, easy calibration, fully waterproof including cable joint, easy to clean and maintain Double junction probe has a longer lifespan compared to standard probes due to less contamination and is more accurate and reliable than comparable pens, test strips, drops, and more Combine with Bluelab TDS pen, tester, and hydroponics tool for full garden nutrient monitoring in solution and soil; KIT INCLUDES: Cable, storage cap, probe holder, BNC connector, KCl solution in the cap, probe care kit is sold separately Supplied by Bluelab, the industry leader in hydroponic testing equipment, built for growers; 6-Month Limited Warranty with proof of purchase Show more