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Magnesium and other critical ion ratios associated with traditional alkaline water
and achieves excellent control at low use rates
Motors with thermic overload protection
such as alfalfa and seaweed extracts
Hanna GroLine Hydroponics pH Tester DTE Magnesium and other critical ionThe 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 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