Bluelab pH Pen

The Bluelab pH Pen is a robust and reliable tool, perfect for growers who demand precision in monitoring their plant's environment. Its fully waterproof design, capable of floating, offers peace of mind against accidental immersion in water. With a straightforward two-point calibration process, it delivers consistently accurate pH readings, enhanced by automatic temperature compensation for reliable measurements in any setting. The inclusion of a one-year limited warranty and an energy-efficient design with an auto-off feature underscores its commitment to quality and user satisfaction. This pen is an essential tool for maintaining the optimal pH and temperature of plant nutrient solutions, directly impacting plant health and growth.