Hanna pH 128 Meter

The GroPro pH tester has been designed with many advanced features for growers of all types. This pH tester offers automatic calibration to one or two points, automatic buffer recognition, calibrated buffer tags, stability indicator, low battery indicator, and selectable automatic shutoff. With its compact size, one-button operation, and ease of calibration, the pH128 GroPro is the optimal tool for pH measurement in nutrient solutions and soil slurries.
• Replaceable pH Electrode (HI 1271)
• Automatic Calibration
• Stability Indicator
• Automatic Shut-Off
• Long Battery Life
• Plastic Carrying Case