Bluelab Soil pH Pen

Bluelab Soil pH Pen: Accurate Root Zone pH Meter Get fast, reliable pH readings right at the roots—no slurries, no guesswork. This compact handheld pen measures pH and temperature directly in soil, coco coir, rockwool, or nutrient solutions to keep your plants in the sweet spot for nutrient uptake. Benefits of a Soil pH Meter for Growers A double-junction pH probe delivers accurate readings while resisting contamination, and the backlit display is easy to read in any environment. The simple 2-point calibration with a 30-day reminder maintains accuracy without hassle, while the KCl-filled storage cap/dibber keeps the probe hydrated and ready to go. Waterproof construction lets you move from soil to reservoir confidently, improving consistency across beds, pots, and hydro systems. How to Use the Bluelab pH Pen in Soil & Hydroponics Dip or dib right into the root zone for instant pH and temperature data, then adjust your nutrient solution or soil amendments accordingly. Ideal for living soil, coco, rockwool, and recirculating hydro systems, this soil pH meter streamlines diagnostics and helps prevent pH lockout and yield-limiting stress. Key features: Direct, in-soil pH readings (no slurry) for true root-zone accuracy Double-junction probe and 2-point calibration for stable, repeatable results Waterproof, handheld design moves easily between soil and nutrient solution Bright backlit display; 30-day calibration reminder for simple maintenance KCl storage cap/dibber keeps the probe hydrated and ready for reliable use