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Replacement pH Electrode with Calibration Powder, 0-14 pH Highly Accurate Probe with BNC Connector & 200cm Cable for Continuous Liquid Measurement
Limited time offer, ends 10/10
$59.67
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Digital Outlet Power Meter Energy Monitor Volt Watt Voltage Amps Socket Analyzer
Limited time offer, ends 10/14
$21.73
Free Shipping
High Accuracy pH Electrode with Calibration Powder, 0-14 pH Probe with BNC Connector & 300cm Cable for Wide Application
Limited time offer, ends 10/10
$56.94
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ORP Redox Electrode, BNC Type Connector Replacement Probe for Tester Meter Monitor Controller Oxidation Reduction Potential Check, 14cm Long 1.2cm Diameter 300cm Extra Long Cable
Limited time offer, ends 10/10
$89.67
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Digital pH Controller Dual Relay Output with Temperature Compensation 4.5~8.5pH Adjustable pH Control Range Easy Plug and Play Operation pH Measurement for Aquarium, Hydroponics System
Limited time offer, ends 10/10
$779.97
Free Shipping
0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa (pH Electrode)
Limited time offer, ends 10/10
$59.67
Free Shipping
0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa
Limited time offer, ends 10/10
$53.67
Free Shipping
Soil PH Meter, Soil Moisture Sensor Meter, Soil PH Tester Gardening Tool Kits for Plant, Tree, Soil Tester for Moisture Great for Garden, Lawn, Farm, Indoor & Outdoor Use 295mm Long
Limited time offer, ends 10/10
$167.67
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5-in-1 WiFi pH Meter Monitor, Water Quality Tester for pH TDS Salinity S.G Temperature, Tuya Smart APP Remote Monitoring with Alarm & Easy Calibration, for Aquarium Hydroponics
Limited time offer, ends 10/10
$167.67
Free Shipping
Gain Express Replaceable ORP REDOX Electrode Probe 0 ~ +/- 1999 mV ORP Meter Tester 300cm Long Cable with BNC Socket
Limited time offer, ends 10/10
$122.97
Free Shipping
OPR Meter, ORP Redox Meter Tester -1999~1999mV Oxidation Reduction Potential Tester with 256mV ORP Calibration Buffer for Water Testing, Aquarium, Research Laboratory
Limited time offer, ends 10/10
$83.67
Free Shipping
Tungsten Electrode Sharpener Grinder Head, Universal TIG Welding Tool w/Cut-Off Slot | 6 Sizes 8 Angles, 48 Holes, 3 CNC Mandrel,10 Diamond Wheels, Fits for Most Rotary Tool
Limited time offer, ends 10/18
$60.30
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Pentype Multi-Paramater 5-in-1 Water Quality Tester (pH/TDS/EC/Temp/Salinity) Waterproof Digital Meter Household Industrial Laboratory Analysis
Limited time offer, ends 10/10
$146.67
Free Shipping
ORP Meter, ORP Redox Meter Tester -1999~1999mV, 1-Point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa
Limited time offer, ends 10/10
$80.67
Free Shipping