Quick view Details Hanna Instruments | sku: HI98115 Hanna GroLine pH Tester MSRP: Now: $59.99 Compare Quick view Hanna Instruments | sku: HI98115 Hanna GroLine pH Tester 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 functions including turning on/off and calibration are performed with a... MSRP: Now: $59.99 Compare Compare Selected
Quick view Hanna Instruments | sku: HI98115 Hanna GroLine pH Tester 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 functions including turning on/off and calibration are performed with a... MSRP: Now: $59.99 Compare Compare Selected