Moisture & pH Meters
moisture & ph meters — pre-owned
Browse 856 moisture & ph meters — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
Apera Instruments AI316 Premium Series PC60 5-in-1 Tester
Bluelab Guardian Monitor Connect pH EC Temp Controller Hydroponic Grow Room
Bluelab METPULSE Pulse Meter Water 3-in-1 Moisture/Nutrient (TDS)/Temperature...
Bluelab Guardian Monitor Connect pH EC Temp Controller Hydroponic Grow Room
Bluelab Combo Meter Plus & Sensor -TESTED READ-
Bluelab pH Controller CONNECT - monitor automatic ph solution dosing lcd display
Apera Instruments AI316 Premium Series PC60 5-in-1 Tester
Bluelab Combo Meter pH / Nutrient / Temperature READ DESCRIPTION
Bluelab Guardian Monitor Wi-Fi Meter for pH, Conductivity, Temperature w/ Box
Hanna Instruments HI98129 Low Range Combo pH, EC, TDS and Temperature Meter
THERMO SCIENTIFIC ORIONSTAR A211 pH Meter | No Probes
Bluelab Combo Meter pH probe EC TDS PPM Temp CF -
HM Digital PH-200 pH Meter Waterproof Handheld Water Quality Tester Portable
LaMotte Soil & Plant Tissue nutrient Test Kit hydroponics water BlueLab pH pen
OVERTON MARK V MODEL NO. 800-1 Grain Moisture Tester
Hanna HI98311 Dist Waterproof EC TDS Temperature Meter Tester Pen Blue
Hanna Instruments pH Tester Waterproof pH EC TDS Tester B3-98311
pH Meter PRO Kit, Digital pH Pen with ±0.01 pH Accuracy & Interchangeable Probe
Bluelab Conductivity Pen EC PPM Meter Hydroponics Tester Tested Works
Wilkey Industries Aluminum Soil Sample Probe Agricultural 58" Long x 3" Dia.
Bluelab BP1-1111-0736 pH Pen
BLUELAB Meter Tester & pH Probe Tester Accurate Calibration Readings PLEZE READ
Water Activity Meter Smart Food Water Activity Tester for Jerky Dried Fruit
WA-60A Water Activity Meter Food Moisture Water Activity Tester
Vtg KELWAY SOIL TESTER ph Soil testing meter w/ Leather Case 1977- Untested-
Hanna Instruments HI98120 Waterproof ORP/Temperature Combo Tester Green
•Hanna Instruments pH tester HI98100 Check Plus (SEE DETAILS)
ZeroWater TDS Digital Meter Tester Zero Water Instant Results No Lid
Waterproof Combo pH/EC/TDS Meter
NUPLA 76401 Non-conductive Soil Probe 48 inch
Smart ORP meter SM 500 AND SM101
Spectrum Technologies FieldScout TDR150 Soil Moisture Meter/Field Scout
AZ86031 Water Quality Meter PH Meter Oxygen Tester PH Conductivity Salinity！
Milwaukee MW102 PRO+ pH & Temperature Meter w/ ATC | Handheld Digital Tester
Kelway Vintage Soil Acidity Tester pHD Made In Japan Complete In Box NICE
HM Dual TDS Meter 2
Kelway Soil pH and Moisture Meter
Poniie PH2022 Waterproof Digital PH Meter for Water Hydroponics Food Brewing #2
Hanna TDS Meter
4-in-1 Plant Monitor Sensors with Bluetooth, 3 pack - works with Home Assistant