Take fast and accurate measurements in nutrient solution, soil, coco coir, rockwool, potting mix and many other media types from the palm of your hand

This meter’s impressive and robust Leap pH Probe will take quick and accurate pH measurements in increments of 0.1 pH in a variety of growing media. Calibration is simple with one push button on the meter and fresh Bluelab Calibration Solutions. A successful calibration indicator is displayed on screen; after 30 days, this will disappear and you’ll need to recalibrate to ensure ongoing accuracy.