Hanna GroLine Hydroponics pH Tester

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The HI98115 is a GroLine pH tester with advanced features for the measurement of pH in hydroponic nutrient solutions. The HI98115 is a very simple meter to operate with all functio ns including turning on/off and calibration are performed with a single button. The HI98115 features a replaceable HI1271 pH electrode that can be changed when needed without having to buy a new meter. The HI98115 is supplied complete with a carrying case and calibration solutions. One-Button Operation Replaceable pH Electrode ±0.2 pH Accuracy Show more