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pH Meters | Pens | Monitors

HANNA® GroLine Waterproof Hydroponic pH Tester Hanna Instruments

$89.90

HANNA GroLine Waterproof Hydroponic pH Tester

HANNA® GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester Hanna Instruments

$188.00

HANNA GroLine Waterproof 3 in 1 pH/EC/TDS/Temp Tester

HANNA® GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Portable Meter Hanna Instruments

$288.00

HANNA GroLine Waterproof pH/EC/TDS/Temperature Portable Meter

HANNA® GroLine Nutrient Monitor for pH, EC, TDS, Temperature Hanna Instruments

$389.00

HANNA GroLine Nutrient Monitor for pH, EC, TDS, Temperature

HANNA® GroLine Hydroponic Monitor w/ INLINE PROBE for pH, EC, TDS, Temperature Hanna Instruments

$495.00

HANNA GroLine Hydroponic Monitor for pH, EC, TDS, Temperature

HANNA HI83300-01 Multiparameter Benchtop Photometer and pH meter

$1,390.00

HANNA HI83300-01 Multiparameter Benchtop Photometer and pH meter

AC Infinity Hydroponic Meter PRO Kit, All-In-One Ph Pen, Interchangeable Probe

$159.00

AC Infinity Hydroponic Meter PRO Kit, All-In-One Ph Pen, Interchangeable Probe