pH, Conductivity & TDS Meters

Milwaukee CD611 Digital Conductivity Pen (EC) for Hydroponics

$29.99

Apera Instruments PH60 Series Premium Line Waterproof pH Pocket Tester Kit

$57.99

HACH H160 PH METER w/ Probe

$199.99

Robust Plastic PH Electrode Probe Wide Measuring Range from 0 to 14 pH

$13.75

Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode - New in Box

$165.0

Hanna Instruments pH/ORP/Temperature Combo Tester

$239.99

New Thermo VSTAR50 Orion Versa Star Pro Benchtop Meter + pH, Conductivity, Stand

$1237.5

VIVOSUN 3 in 1 Digital Soil Tester Sunlight Soil Moisture Water PH Garden Plant

$8.54