Bluelab PENSOILPH pH Pen for Soil, Coco, Rockwool and Solution, Easy Calibration Soil Test Kits It simply attaches to a

It simply attaches to a valve on the pool wall

most tablets and Type-C USB devices

Specifications: 7600 LM

Works with Alexa for voice control (hub required and not included

Features a 4 inch by 3 inch oval hole and easy open front

Bluelab PENSOILPH pH Pen for Soil, Coco, Rockwool and Solution, Easy Calibration Soil Test Kits It simply attaches to aMeasures pH in meda (and solution) for acid or alkaline conditions to make precise up and down adjustments with lab quality glass probe used for the pool, drinking water, hydroponics, brewing, and growing EASY two point calibration and auto temperature compensation makes this digital meter a handy tool with backlit LCD display and calibration reminders Complete your monitor and controller system with other testers and meters from Blue lab, more