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pH Meters | Pens | Monitors

HANNA® GroLine Hydroponics pH Tester Hanna Instruments

$69.90

Hanna GroLine Hydroponics pH Tester HI98115

HANNA® GroLine Waterproof Hydroponic pH Tester Hanna Instruments

$89.90

Hanna GroLine Waterproof Hydroponic pH Tester HI98118

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

$188.00

Hanna GroLine Waterproof pH/EC/TDS/Temperature Tester HI98131

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

$288.00

Hanna GroLine Waterproof pH/EC/TDS/Temperature Meter HI9814

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

$389.00

Hanna GroLine Hydroponic Nutrient Monitor HI981420-01

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

$495.00

Hanna GroLine Hydroponic Nutrient Monitor with Inline Probe HI981421-01

HANNA HI83300-01 Multiparameter Benchtop Photometer and pH meter

$1,390.00

Hanna Multiparameter Benchtop Photometer & pH Meter HI83300-01

AC Infinity Hydroponic Meter PRO Kit AC-PHM7

$159.00

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