Apera Instruments⏳pH MetersApera Instruments 201DJ-C Double Junction Combined pH Electrode, AI3115$118.99View
Yosoo⏳pH MetersYosoo Ph/Ec/Temp Meter Professional 3 In 1 Portable High Accuracy Handheld Pen Testing Water Pen Quality Tester Meter (White)$59.99View
Preciva⏳pH MetersPH Meter Tester, Preciva 0.01 Resolution Digital Automatic Water PH Meters Hydroponics Pen with LCD Screen Large Backlit for Kitchen, Aquarium,Pool, Laboratory with Calibration Powder$41.99View
Apera Instruments✓pH MetersApera Instruments AI3201 pH Electrode for SX811-SS Portable pH Meter, LabSen 753, Stainless Steel Spear, 2" Height, 2" Wide, 6" Length$484.99View
SimplexHealth⏳pH TestingSimplexHealth pH Test Strips for Urine and Saliva (200 Test Strips) in resealable Container, Detailed Instructions and 30 Day pH Tracking Chart$42.99View
VIVOSUN✓pH MetersVIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponics, Household Drinking, Pool and Aquarium, UL Certified$13.14View
TEKCOPLUS⏳pH MetersTEKCOPLUS 6 in 1 Water Quality Tester Salt Combo analyzer Pen Type pH ORP EC TDS Salinity Temperature Conductivity Tester Meter with ORP Electrode$419.99View
Apera Instruments✓pH MetersApera Instruments AI1205 pH Pocket Tester, Replacement Probe for PH60S★★★★★4.1$318.99View
Apera Instruments⏳pH MetersApera Instruments AI1211 pH/Conductivity Tester, Replacement Probe for PC60 Pocket$142.99View
Apera Instruments⏳pH MetersApera Instruments SX610 pH Meter, Pen Tester, Waterproof , ±0.1 pH Accuracy, 0-14 pH Range, ±0.5°C Temperature Sensor$148.99View
Apera Instruments⏳pH MetersApera Instruments ORP60 Premium ORP Meter, Pocket Tester, Replaceable Electrode, ±1mV/±0.2% Accuracy, ±1000 mV Range, ±0.5°C Temperature Sensor$224.99View
OCS.tec⏳pH MetersOCS.tec PH & TEMPERATURE CONTROLLER METER TESTER WATERPROOF ELECTRODE AQUARIUM KOI P14$406.99View
Bluelab⏳pH MetersBluelab CAREKITPH pH Probe Care Kit with Calibration Solution, Storage Solution, and Brush$68.99View
Bluelab✓pH MetersBluelab CAREKITPH Conductivity Probe Care Kit with Calibration Solution and Cleaning Tools$59.99View
HM Digital⏳pH MetersHM Digital AquaPro Handheld Water Total Dissolved Solids Tester - HM-DIGITAL-AP-1$60.99View
Bluelab✓pH MetersBluelab PENPH pH Pen Fully Waterproof Pocket Tester, Easy Calibration, Double Junction Probe for Improved Accuracy and Durability, White$222.99View
Bluelab⏳pH MetersBluelab PROBPH pH Probe, Replacement Probe with BNC Fitting, Easy Calibration$217.99View
