GroLine Hydroponics pH Tester

The HI98115 GroLine pH Tester is a straightforward, reliable tool for measuring pH in hydroponic nutrient solutions. Designed for ease of use, all functions—including power and calibration—are controlled with a single button. It features a replaceable HI1271 pH electrode, allowing you to extend the meter’s lifespan without replacing the entire unit. With ±0.2 pH accuracy, it delivers dependable readings for everyday use. The HI98115 comes complete with a protective carrying case and calibration solutions, making it ready for use right out of the box. Key Features One-button operation for simple use Replaceable HI1271 pH electrode ±0.2 pH accuracy Includes carrying case and calibration solutions