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14% off
6 in 1 EC/TDS/COD/UV275/TOC/Temp Water Quality Tester Color Screen Display ppm Analyzer for Drinking Water Tap Hydroponics Lab 6 in 1 EC/TDS/COD/UV275/TOC/Temp Water Quality Tester Color Screen Display ppm Analyzer for Drinking Water Tap Hydroponics Lab

6 in 1 EC/TDS/COD/UV275/TOC/Temp Water Quality Tester Color Screen Display ppm Analyzer for Drinking Water Tap Hydroponics Lab

$34.79$40.54

50 sold
45% off
Tuya Smart WIFI Aquariums Meter Digital Spa Pool Water Quality Analyzer Water Quality Analyzer PH EC ORP TDS RH% CF TEMP Tester Tuya Smart WIFI Aquariums Meter Digital Spa Pool Water Quality Analyzer Water Quality Analyzer PH EC ORP TDS RH% CF TEMP Tester

Tuya Smart WIFI Aquariums Meter Digital Spa Pool Water Quality Analyzer Water Quality Analyzer PH EC ORP TDS RH% CF TEMP Tester

$56.57$102.85

22 sold
27% off
PH-803W Wifi Monitoring Digital PH&ORP Controller BNC Probe Water Quality Tester for Hydroponics, Swimming Pool, Aquarium PH-803W Wifi Monitoring Digital PH&ORP Controller BNC Probe Water Quality Tester for Hydroponics, Swimming Pool, Aquarium

PH-803W Wifi Monitoring Digital PH&ORP Controller BNC Probe Water Quality Tester for Hydroponics, Swimming Pool, Aquarium

$15.21$20.95

19 sold
EC TDS Calibration Buffer Liquid Solution 35ppt 84us/cm 1413us/cm 12.88ms/cm 1382ppm 25ml Standard Solution Test Meter EC TDS Calibration Buffer Liquid Solution 35ppt 84us/cm 1413us/cm 12.88ms/cm 1382ppm 25ml Standard Solution Test Meter

EC TDS Calibration Buffer Liquid Solution 35ppt 84us/cm 1413us/cm 12.88ms/cm 1382ppm 25ml Standard Solution Test Meter

$4.00$4.00

19 sold
51% off
Yieryi WiFi Tuya Smart Monitor Fish Tank Aquarium SPA Pool Online Water Quality Meter PH ORP EC PPM CF Humidity TEMP Tester ATC Yieryi WiFi Tuya Smart Monitor Fish Tank Aquarium SPA Pool Online Water Quality Meter PH ORP EC PPM CF Humidity TEMP Tester ATC

Yieryi WiFi Tuya Smart Monitor Fish Tank Aquarium SPA Pool Online Water Quality Meter PH ORP EC PPM CF Humidity TEMP Tester ATC

$45.99$93.85

32 sold
50% off
pH Sensor Industrial Water Quality Turbidity Tester ORP Electrode Probe EC Transmitter pH Meter Environmental Detection pH Sensor Industrial Water Quality Turbidity Tester ORP Electrode Probe EC Transmitter pH Meter Environmental Detection

pH Sensor Industrial Water Quality Turbidity Tester ORP Electrode Probe EC Transmitter pH Meter Environmental Detection

$553.50$1107.00

23 sold
9% off
Yieryi 5-Way Test Kit For Pool & SPA Acid Demand Chlorine Total Alkalinity Bromine PH Water Quality Tester Set Yieryi 5-Way Test Kit For Pool & SPA Acid Demand Chlorine Total Alkalinity Bromine PH Water Quality Tester Set

Yieryi 5-Way Test Kit For Pool & SPA Acid Demand Chlorine Total Alkalinity Bromine PH Water Quality Tester Set

$16.67$18.47

41 sold
8% off
8 in1 Wifi Water Quality Tester Digital Display PH ORP EC CF TDS SALT S.G Temperature Sensors Meter Multifunction Smart Monitor 8 in1 Wifi Water Quality Tester Digital Display PH ORP EC CF TDS SALT S.G Temperature Sensors Meter Multifunction Smart Monitor

8 in1 Wifi Water Quality Tester Digital Display PH ORP EC CF TDS SALT S.G Temperature Sensors Meter Multifunction Smart Monitor

$57.43$62.83

56 sold
41% off
Formaldehyde Test Kit Test Paper New House Indoor Air Quality Test Reagent Test Tube Tester Home Self-test Gas Detector Dropship Formaldehyde Test Kit Test Paper New House Indoor Air Quality Test Reagent Test Tube Tester Home Self-test Gas Detector Dropship

Formaldehyde Test Kit Test Paper New House Indoor Air Quality Test Reagent Test Tube Tester Home Self-test Gas Detector Dropship

$1.30$2.20

31 sold
60% off
RS485 Communication Multi-function Water Quality Tester Monitor PH ORP TDS EC CF Теmp Humidity Meter Aquarium Online Analyzer RS485 Communication Multi-function Water Quality Tester Monitor PH ORP TDS EC CF Теmp Humidity Meter Aquarium Online Analyzer

RS485 Communication Multi-function Water Quality Tester Monitor PH ORP TDS EC CF Теmp Humidity Meter Aquarium Online Analyzer

$19.18$48.00

92 sold
42% off
WiFi PH Meter Temp TDS(ppm) EC ORP Water Tester Tuya APP Smart Monitor Digital Analyzer for Aquariums Hydroponics Swimming Pool WiFi PH Meter Temp TDS(ppm) EC ORP Water Tester Tuya APP Smart Monitor Digital Analyzer for Aquariums Hydroponics Swimming Pool

WiFi PH Meter Temp TDS(ppm) EC ORP Water Tester Tuya APP Smart Monitor Digital Analyzer for Aquariums Hydroponics Swimming Pool

$47.12$81.25

30 sold
8% off
Online PH Transmitter/PH-TRA-600 Online PH Transmitter/PH-TRA-600

Online PH Transmitter/PH-TRA-600

$82.79$89.99

27 sold
9% off
Yieryi Digital Soil Tester PH/Fertility/Moisture/Sunlight/Air Humidity/Temp 6 in 1 Soil PH Meter for Gardening Plant Agriculture Yieryi Digital Soil Tester PH/Fertility/Moisture/Sunlight/Air Humidity/Temp 6 in 1 Soil PH Meter for Gardening Plant Agriculture

Yieryi Digital Soil Tester PH/Fertility/Moisture/Sunlight/Air Humidity/Temp 6 in 1 Soil PH Meter for Gardening Plant Agriculture

$15.49$17.16

29 sold
9% off
YAGO PH Meter Calibration Solution ORP Tester Calibration Solution YAGO PH Meter Calibration Solution ORP Tester Calibration Solution

YAGO PH Meter Calibration Solution ORP Tester Calibration Solution

$5.05$5.55

415 sold
12% off
Wireless WiFi Online Water Quality Tester YY-W9909 PH/TDS/EC/Salinity/S.G./Temp Meter Smart Aquarium Swimming Pool Monitor Wireless WiFi Online Water Quality Tester YY-W9909 PH/TDS/EC/Salinity/S.G./Temp Meter Smart Aquarium Swimming Pool Monitor

Wireless WiFi Online Water Quality Tester YY-W9909 PH/TDS/EC/Salinity/S.G./Temp Meter Smart Aquarium Swimming Pool Monitor

$47.85$54.74

17 sold
8% off
Online Water Ro Controller Sing Stage Ro System Controler and Conductivity with Sensor for RO System Water Purification System Online Water Ro Controller Sing Stage Ro System Controler and Conductivity with Sensor for RO System Water Purification System

Online Water Ro Controller Sing Stage Ro System Controler and Conductivity with Sensor for RO System Water Purification System

$91.99$99.99

24 sold
10% off
PHS-3C Digital PH Meter 0.01 Accuracy Auto Calibration Desktop Temp/pH Tester with ATC Water Quality Analyzer for Lab Aquariums PHS-3C Digital PH Meter 0.01 Accuracy Auto Calibration Desktop Temp/pH Tester with ATC Water Quality Analyzer for Lab Aquariums

PHS-3C Digital PH Meter 0.01 Accuracy Auto Calibration Desktop Temp/pH Tester with ATC Water Quality Analyzer for Lab Aquariums

$60.81$68.04

26 sold
EC TDS Calibration Buffer Liquid Solution 35ppt 84us/cm 1413us/cm 12.88ms/cm 1389ppm 25ml Standard Solution Test Meter EC TDS Calibration Buffer Liquid Solution 35ppt 84us/cm 1413us/cm 12.88ms/cm 1389ppm 25ml Standard Solution Test Meter

EC TDS Calibration Buffer Liquid Solution 35ppt 84us/cm 1413us/cm 12.88ms/cm 1389ppm 25ml Standard Solution Test Meter

$3.71$3.71

25 sold
54% off
BLE-9100 Smart Bluetooth Dissolved Oxygen Meter 0-30mg/L Professional Aquaculture Do Analyzer Tester for Fish Tank Brewing Wine BLE-9100 Smart Bluetooth Dissolved Oxygen Meter 0-30mg/L Professional Aquaculture Do Analyzer Tester for Fish Tank Brewing Wine

BLE-9100 Smart Bluetooth Dissolved Oxygen Meter 0-30mg/L Professional Aquaculture Do Analyzer Tester for Fish Tank Brewing Wine

$7.32$15.95

100 sold
13% off
7 in 1 PH/Free Chlorine/ORP/EC/TDS/Salt/Temp pH Meter Swimming Pool Salinity Tester IP67 Waterproof for Aquarium Aquaculture Spa 7 in 1 PH/Free Chlorine/ORP/EC/TDS/Salt/Temp pH Meter Swimming Pool Salinity Tester IP67 Waterproof for Aquarium Aquaculture Spa

7 in 1 PH/Free Chlorine/ORP/EC/TDS/Salt/Temp pH Meter Swimming Pool Salinity Tester IP67 Waterproof for Aquarium Aquaculture Spa

$24.43$28.28

48 sold
Vagina PH Strip Test Sister Female Test Card Liner-Paper Gynecological Inflammation Acidity Alkalinity Balance Self Card Vagina PH Strip Test Sister Female Test Card Liner-Paper Gynecological Inflammation Acidity Alkalinity Balance Self Card

Vagina PH Strip Test Sister Female Test Card Liner-Paper Gynecological Inflammation Acidity Alkalinity Balance Self Card

$2.90$2.90

22 sold
13% off
Yieryi BLE-C600 Bluetooth-compatible Water Quality Pen 7 in 1 PH EC TDS ORP SALT S.G TEMP Meter APP Intelligent Control Tester Yieryi BLE-C600 Bluetooth-compatible Water Quality Pen 7 in 1 PH EC TDS ORP SALT S.G TEMP Meter APP Intelligent Control Tester

Yieryi BLE-C600 Bluetooth-compatible Water Quality Pen 7 in 1 PH EC TDS ORP SALT S.G TEMP Meter APP Intelligent Control Tester

$25.36$29.40

343 sold
1% off
Yieryi WiFi Tuya Smart PH ORP TDS EC SALT S.G TEMP CF Monitor Meter Aquarium Water Quality Data Logger Detector Pool Spa Tester Yieryi WiFi Tuya Smart PH ORP TDS EC SALT S.G TEMP CF Monitor Meter Aquarium Water Quality Data Logger Detector Pool Spa Tester

Yieryi WiFi Tuya Smart PH ORP TDS EC SALT S.G TEMP CF Monitor Meter Aquarium Water Quality Data Logger Detector Pool Spa Tester

$56.56$57.06

23 sold
59% off
Digital Dissolved Hydrogen Tester 4-in-1 PH ORP H2 Temp Test Kit ppm Meter Water Purity Analyzer for Drinking Water Food Pool Digital Dissolved Hydrogen Tester 4-in-1 PH ORP H2 Temp Test Kit ppm Meter Water Purity Analyzer for Drinking Water Food Pool

Digital Dissolved Hydrogen Tester 4-in-1 PH ORP H2 Temp Test Kit ppm Meter Water Purity Analyzer for Drinking Water Food Pool

$14.43$35.19

29 sold
13% off
Ph Replacement Probe With BNC Interface 300cm Cable 0-14 PH Q9 Probe Controller PH Tester Monitor Sensor for Aquarium Hydroponic Ph Replacement Probe With BNC Interface 300cm Cable 0-14 PH Q9 Probe Controller PH Tester Monitor Sensor for Aquarium Hydroponic

Ph Replacement Probe With BNC Interface 300cm Cable 0-14 PH Q9 Probe Controller PH Tester Monitor Sensor for Aquarium Hydroponic

$8.36$9.61

197 sold
49% off
Yieryi Smart WIFI Aquarium Seawater Salinity Water Quality Meter PH EC TDS Salt TEMP Data Logger Tester Monitor for Fish Tanks Yieryi Smart WIFI Aquarium Seawater Salinity Water Quality Meter PH EC TDS Salt TEMP Data Logger Tester Monitor for Fish Tanks

Yieryi Smart WIFI Aquarium Seawater Salinity Water Quality Meter PH EC TDS Salt TEMP Data Logger Tester Monitor for Fish Tanks

$46.75$92.65

41 sold
15% off
Yieryi Ph Replacement Probe Aquarium Hydroponic Laboratory Electrode Ph Meter Potential Test BNC Q9 Connector 1.2/3M Wire Probe Yieryi Ph Replacement Probe Aquarium Hydroponic Laboratory Electrode Ph Meter Potential Test BNC Q9 Connector 1.2/3M Wire Probe

Yieryi Ph Replacement Probe Aquarium Hydroponic Laboratory Electrode Ph Meter Potential Test BNC Q9 Connector 1.2/3M Wire Probe

$7.21$8.50

993 sold
35% off
Digital WiFi PH EC TDS SALT SG.Temp Meter Water Quality Tester Data Logger 6-in-1 Smart Monitor Tuya APP Control US/EU/UK Plug Digital WiFi PH EC TDS SALT SG.Temp Meter Water Quality Tester Data Logger 6-in-1 Smart Monitor Tuya APP Control US/EU/UK Plug

Digital WiFi PH EC TDS SALT SG.Temp Meter Water Quality Tester Data Logger 6-in-1 Smart Monitor Tuya APP Control US/EU/UK Plug

$47.76$73.47

23 sold
60% off
Yieryi Digital PH/ORP/Temp/H2 Water ppb ppm Meter with ATC 0.01 Resolution High Accuracy Hydrogen Tester for Drinking Water Pool Yieryi Digital PH/ORP/Temp/H2 Water ppb ppm Meter with ATC 0.01 Resolution High Accuracy Hydrogen Tester for Drinking Water Pool

Yieryi Digital PH/ORP/Temp/H2 Water ppb ppm Meter with ATC 0.01 Resolution High Accuracy Hydrogen Tester for Drinking Water Pool

$14.46$36.15

34 sold
54% off
Din Rail Type PH EC Plastic Electrode Probe Detector RS485 2-in-1 Sensor Industrial Sewage Monitor for Agricultural Aquaculture Din Rail Type PH EC Plastic Electrode Probe Detector RS485 2-in-1 Sensor Industrial Sewage Monitor for Agricultural Aquaculture

Din Rail Type PH EC Plastic Electrode Probe Detector RS485 2-in-1 Sensor Industrial Sewage Monitor for Agricultural Aquaculture

$570.51$1240.25

28 sold
54% off
16 In 1 Drinking Water Test Kit Strips Home Water Quality Test Swimming Pool Spa Water Test Strips Nitrate Nitrite PH Hardness 16 In 1 Drinking Water Test Kit Strips Home Water Quality Test Swimming Pool Spa Water Test Strips Nitrate Nitrite PH Hardness

16 In 1 Drinking Water Test Kit Strips Home Water Quality Test Swimming Pool Spa Water Test Strips Nitrate Nitrite PH Hardness

$18.86$41.00

48 sold
9% off
169E Digital ORP Meter Water Quality Tester LCD Display 0~+/-1999mV Portable ORP Redox Tester for Drinking 169E Digital ORP Meter Water Quality Tester LCD Display 0~+/-1999mV Portable ORP Redox Tester for Drinking

169E Digital ORP Meter Water Quality Tester LCD Display 0~+/-1999mV Portable ORP Redox Tester for Drinking

$15.59$17.30

27 sold
59% off
Yieryi YY-W9909 Smart Bluetooth Water Quality Tester PH/TDS/EC/Salinity/S.G./Temp Meter WIFI APP Intelligent Control Yieryi YY-W9909 Smart Bluetooth Water Quality Tester PH/TDS/EC/Salinity/S.G./Temp Meter WIFI APP Intelligent Control

Yieryi YY-W9909 Smart Bluetooth Water Quality Tester PH/TDS/EC/Salinity/S.G./Temp Meter WIFI APP Intelligent Control

$42.80$105.60

59 sold
1% off
Yieryi WiFi Tuya Smart PH ORP TDS EC SALT S. G TEMP CF Monitor Meter Online Aquarium Water Quality Tester Data Logger Controller Yieryi WiFi Tuya Smart PH ORP TDS EC SALT S. G TEMP CF Monitor Meter Online Aquarium Water Quality Tester Data Logger Controller

Yieryi WiFi Tuya Smart PH ORP TDS EC SALT S. G TEMP CF Monitor Meter Online Aquarium Water Quality Tester Data Logger Controller

$57.51$58.01

191 sold
20% off
Smart WIFI Online Meter PH ORP Temp Aquarium Water Quality Tester Monitor Controller for Swimming Pool Spa Soilless Cultivation Smart WIFI Online Meter PH ORP Temp Aquarium Water Quality Tester Monitor Controller for Swimming Pool Spa Soilless Cultivation

Smart WIFI Online Meter PH ORP Temp Aquarium Water Quality Tester Monitor Controller for Swimming Pool Spa Soilless Cultivation

$78.37$98.60

93 sold
40% off
Formaldehyde Test Kit Test Paper New House Indoor Air Quality Test Reagent Test Tube Tester Home Self-test Gas Detector Formaldehyde Test Kit Test Paper New House Indoor Air Quality Test Reagent Test Tube Tester Home Self-test Gas Detector

Formaldehyde Test Kit Test Paper New House Indoor Air Quality Test Reagent Test Tube Tester Home Self-test Gas Detector

$2.68$4.54

80 sold
14% off
6 in 1 EC/TDS/COD/UV275/TOC/Temp Water Quality Tester Color Screen Display ppm Analyzer for Drinking Water Tap Hydroponics Lab 6 in 1 EC/TDS/COD/UV275/TOC/Temp Water Quality Tester Color Screen Display ppm Analyzer for Drinking Water Tap Hydroponics Lab

6 in 1 EC/TDS/COD/UV275/TOC/Temp Water Quality Tester Color Screen Display ppm Analyzer for Drinking Water Tap Hydroponics Lab

$34.79 $40.54

50 sold

Categories: Tools, Measurement & Analysis Instruments

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45% off
Tuya Smart WIFI Aquariums Meter Digital Spa Pool Water Quality Analyzer Water Quality Analyzer PH EC ORP TDS RH% CF TEMP Tester Tuya Smart WIFI Aquariums Meter Digital Spa Pool Water Quality Analyzer Water Quality Analyzer PH EC ORP TDS RH% CF TEMP Tester

Tuya Smart WIFI Aquariums Meter Digital Spa Pool Water Quality Analyzer Water Quality Analyzer PH EC ORP TDS RH% CF TEMP Tester

$56.57 $102.85

22 sold

Categories: Tools, Measurement & Analysis Instruments

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27% off
PH-803W Wifi Monitoring Digital PH&ORP Controller BNC Probe Water Quality Tester for Hydroponics, Swimming Pool, Aquarium PH-803W Wifi Monitoring Digital PH&ORP Controller BNC Probe Water Quality Tester for Hydroponics, Swimming Pool, Aquarium

PH-803W Wifi Monitoring Digital PH&ORP Controller BNC Probe Water Quality Tester for Hydroponics, Swimming Pool, Aquarium

$15.21 $20.95

19 sold

Categories: Tools, Measurement & Analysis Instruments

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EC TDS Calibration Buffer Liquid Solution 35ppt 84us/cm 1413us/cm 12.88ms/cm 1382ppm 25ml Standard Solution Test Meter EC TDS Calibration Buffer Liquid Solution 35ppt 84us/cm 1413us/cm 12.88ms/cm 1382ppm 25ml Standard Solution Test Meter

EC TDS Calibration Buffer Liquid Solution 35ppt 84us/cm 1413us/cm 12.88ms/cm 1382ppm 25ml Standard Solution Test Meter

$4.00 $4.00

19 sold

Categories: Tools, Measurement & Analysis Instruments

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51% off
Yieryi WiFi Tuya Smart Monitor Fish Tank Aquarium SPA Pool Online Water Quality Meter PH ORP EC PPM CF Humidity TEMP Tester ATC Yieryi WiFi Tuya Smart Monitor Fish Tank Aquarium SPA Pool Online Water Quality Meter PH ORP EC PPM CF Humidity TEMP Tester ATC

Yieryi WiFi Tuya Smart Monitor Fish Tank Aquarium SPA Pool Online Water Quality Meter PH ORP EC PPM CF Humidity TEMP Tester ATC

$45.99 $93.85

32 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
pH Sensor Industrial Water Quality Turbidity Tester ORP Electrode Probe EC Transmitter pH Meter Environmental Detection pH Sensor Industrial Water Quality Turbidity Tester ORP Electrode Probe EC Transmitter pH Meter Environmental Detection

pH Sensor Industrial Water Quality Turbidity Tester ORP Electrode Probe EC Transmitter pH Meter Environmental Detection

$553.50 $1107.00

23 sold

Categories: Tools, Measurement & Analysis Instruments

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9% off
Yieryi 5-Way Test Kit For Pool & SPA Acid Demand Chlorine Total Alkalinity Bromine PH Water Quality Tester Set Yieryi 5-Way Test Kit For Pool & SPA Acid Demand Chlorine Total Alkalinity Bromine PH Water Quality Tester Set

Yieryi 5-Way Test Kit For Pool & SPA Acid Demand Chlorine Total Alkalinity Bromine PH Water Quality Tester Set

$16.67 $18.47

41 sold

Categories: Tools, Measurement & Analysis Instruments

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8% off
8 in1 Wifi Water Quality Tester Digital Display PH ORP EC CF TDS SALT S.G Temperature Sensors Meter Multifunction Smart Monitor 8 in1 Wifi Water Quality Tester Digital Display PH ORP EC CF TDS SALT S.G Temperature Sensors Meter Multifunction Smart Monitor

8 in1 Wifi Water Quality Tester Digital Display PH ORP EC CF TDS SALT S.G Temperature Sensors Meter Multifunction Smart Monitor

$57.43 $62.83

56 sold

Categories: Tools, Measurement & Analysis Instruments

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41% off
Formaldehyde Test Kit Test Paper New House Indoor Air Quality Test Reagent Test Tube Tester Home Self-test Gas Detector Dropship Formaldehyde Test Kit Test Paper New House Indoor Air Quality Test Reagent Test Tube Tester Home Self-test Gas Detector Dropship

Formaldehyde Test Kit Test Paper New House Indoor Air Quality Test Reagent Test Tube Tester Home Self-test Gas Detector Dropship

$1.30 $2.20

31 sold

Categories: Tools, Measurement & Analysis Instruments

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60% off
RS485 Communication Multi-function Water Quality Tester Monitor PH ORP TDS EC CF Теmp Humidity Meter Aquarium Online Analyzer RS485 Communication Multi-function Water Quality Tester Monitor PH ORP TDS EC CF Теmp Humidity Meter Aquarium Online Analyzer

RS485 Communication Multi-function Water Quality Tester Monitor PH ORP TDS EC CF Теmp Humidity Meter Aquarium Online Analyzer

$19.18 $48.00

92 sold

Categories: Tools, Measurement & Analysis Instruments

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42% off
WiFi PH Meter Temp TDS(ppm) EC ORP Water Tester Tuya APP Smart Monitor Digital Analyzer for Aquariums Hydroponics Swimming Pool WiFi PH Meter Temp TDS(ppm) EC ORP Water Tester Tuya APP Smart Monitor Digital Analyzer for Aquariums Hydroponics Swimming Pool

WiFi PH Meter Temp TDS(ppm) EC ORP Water Tester Tuya APP Smart Monitor Digital Analyzer for Aquariums Hydroponics Swimming Pool

$47.12 $81.25

30 sold

Categories: Tools, Measurement & Analysis Instruments

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8% off
Online PH Transmitter/PH-TRA-600 Online PH Transmitter/PH-TRA-600

Online PH Transmitter/PH-TRA-600

$82.79 $89.99

27 sold

Categories: Tools, Measurement & Analysis Instruments

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9% off
Yieryi Digital Soil Tester PH/Fertility/Moisture/Sunlight/Air Humidity/Temp 6 in 1 Soil PH Meter for Gardening Plant Agriculture Yieryi Digital Soil Tester PH/Fertility/Moisture/Sunlight/Air Humidity/Temp 6 in 1 Soil PH Meter for Gardening Plant Agriculture

Yieryi Digital Soil Tester PH/Fertility/Moisture/Sunlight/Air Humidity/Temp 6 in 1 Soil PH Meter for Gardening Plant Agriculture

$15.49 $17.16

29 sold

Categories: Tools, Measurement & Analysis Instruments

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9% off
YAGO PH Meter Calibration Solution ORP Tester Calibration Solution YAGO PH Meter Calibration Solution ORP Tester Calibration Solution

YAGO PH Meter Calibration Solution ORP Tester Calibration Solution

$5.05 $5.55

415 sold

Categories: Tools, Measurement & Analysis Instruments

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12% off
Wireless WiFi Online Water Quality Tester YY-W9909 PH/TDS/EC/Salinity/S.G./Temp Meter Smart Aquarium Swimming Pool Monitor Wireless WiFi Online Water Quality Tester YY-W9909 PH/TDS/EC/Salinity/S.G./Temp Meter Smart Aquarium Swimming Pool Monitor

Wireless WiFi Online Water Quality Tester YY-W9909 PH/TDS/EC/Salinity/S.G./Temp Meter Smart Aquarium Swimming Pool Monitor

$47.85 $54.74

17 sold

Categories: Tools, Measurement & Analysis Instruments

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8% off
Online Water Ro Controller Sing Stage Ro System Controler and Conductivity with Sensor for RO System Water Purification System Online Water Ro Controller Sing Stage Ro System Controler and Conductivity with Sensor for RO System Water Purification System

Online Water Ro Controller Sing Stage Ro System Controler and Conductivity with Sensor for RO System Water Purification System

$91.99 $99.99

24 sold

Categories: Tools, Measurement & Analysis Instruments

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10% off
PHS-3C Digital PH Meter 0.01 Accuracy Auto Calibration Desktop Temp/pH Tester with ATC Water Quality Analyzer for Lab Aquariums PHS-3C Digital PH Meter 0.01 Accuracy Auto Calibration Desktop Temp/pH Tester with ATC Water Quality Analyzer for Lab Aquariums

PHS-3C Digital PH Meter 0.01 Accuracy Auto Calibration Desktop Temp/pH Tester with ATC Water Quality Analyzer for Lab Aquariums

$60.81 $68.04

26 sold

Categories: Tools, Measurement & Analysis Instruments

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EC TDS Calibration Buffer Liquid Solution 35ppt 84us/cm 1413us/cm 12.88ms/cm 1389ppm 25ml Standard Solution Test Meter EC TDS Calibration Buffer Liquid Solution 35ppt 84us/cm 1413us/cm 12.88ms/cm 1389ppm 25ml Standard Solution Test Meter

EC TDS Calibration Buffer Liquid Solution 35ppt 84us/cm 1413us/cm 12.88ms/cm 1389ppm 25ml Standard Solution Test Meter

$3.71 $3.71

25 sold

Categories: Tools, Measurement & Analysis Instruments

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54% off
BLE-9100 Smart Bluetooth Dissolved Oxygen Meter 0-30mg/L Professional Aquaculture Do Analyzer Tester for Fish Tank Brewing Wine BLE-9100 Smart Bluetooth Dissolved Oxygen Meter 0-30mg/L Professional Aquaculture Do Analyzer Tester for Fish Tank Brewing Wine

BLE-9100 Smart Bluetooth Dissolved Oxygen Meter 0-30mg/L Professional Aquaculture Do Analyzer Tester for Fish Tank Brewing Wine

$7.32 $15.95

100 sold

Categories: Tools, Measurement & Analysis Instruments

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13% off
7 in 1 PH/Free Chlorine/ORP/EC/TDS/Salt/Temp pH Meter Swimming Pool Salinity Tester IP67 Waterproof for Aquarium Aquaculture Spa 7 in 1 PH/Free Chlorine/ORP/EC/TDS/Salt/Temp pH Meter Swimming Pool Salinity Tester IP67 Waterproof for Aquarium Aquaculture Spa

7 in 1 PH/Free Chlorine/ORP/EC/TDS/Salt/Temp pH Meter Swimming Pool Salinity Tester IP67 Waterproof for Aquarium Aquaculture Spa

$24.43 $28.28

48 sold

Categories: Tools, Measurement & Analysis Instruments

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Vagina PH Strip Test Sister Female Test Card Liner-Paper Gynecological Inflammation Acidity Alkalinity Balance Self Card Vagina PH Strip Test Sister Female Test Card Liner-Paper Gynecological Inflammation Acidity Alkalinity Balance Self Card

Vagina PH Strip Test Sister Female Test Card Liner-Paper Gynecological Inflammation Acidity Alkalinity Balance Self Card

$2.90 $2.90

22 sold

Categories: Tools, Measurement & Analysis Instruments

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13% off
Yieryi BLE-C600 Bluetooth-compatible Water Quality Pen 7 in 1 PH EC TDS ORP SALT S.G TEMP Meter APP Intelligent Control Tester Yieryi BLE-C600 Bluetooth-compatible Water Quality Pen 7 in 1 PH EC TDS ORP SALT S.G TEMP Meter APP Intelligent Control Tester

Yieryi BLE-C600 Bluetooth-compatible Water Quality Pen 7 in 1 PH EC TDS ORP SALT S.G TEMP Meter APP Intelligent Control Tester

$25.36 $29.40

343 sold

Categories: Tools, Measurement & Analysis Instruments

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1% off
Yieryi WiFi Tuya Smart PH ORP TDS EC SALT S.G TEMP CF Monitor Meter Aquarium Water Quality Data Logger Detector Pool Spa Tester Yieryi WiFi Tuya Smart PH ORP TDS EC SALT S.G TEMP CF Monitor Meter Aquarium Water Quality Data Logger Detector Pool Spa Tester

Yieryi WiFi Tuya Smart PH ORP TDS EC SALT S.G TEMP CF Monitor Meter Aquarium Water Quality Data Logger Detector Pool Spa Tester

$56.56 $57.06

23 sold

Categories: Tools, Measurement & Analysis Instruments

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59% off
Digital Dissolved Hydrogen Tester 4-in-1 PH ORP H2 Temp Test Kit ppm Meter Water Purity Analyzer for Drinking Water Food Pool Digital Dissolved Hydrogen Tester 4-in-1 PH ORP H2 Temp Test Kit ppm Meter Water Purity Analyzer for Drinking Water Food Pool

Digital Dissolved Hydrogen Tester 4-in-1 PH ORP H2 Temp Test Kit ppm Meter Water Purity Analyzer for Drinking Water Food Pool

$14.43 $35.19

29 sold

Categories: Tools, Measurement & Analysis Instruments

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13% off
Ph Replacement Probe With BNC Interface 300cm Cable 0-14 PH Q9 Probe Controller PH Tester Monitor Sensor for Aquarium Hydroponic Ph Replacement Probe With BNC Interface 300cm Cable 0-14 PH Q9 Probe Controller PH Tester Monitor Sensor for Aquarium Hydroponic

Ph Replacement Probe With BNC Interface 300cm Cable 0-14 PH Q9 Probe Controller PH Tester Monitor Sensor for Aquarium Hydroponic

$8.36 $9.61

197 sold

Categories: Tools, Measurement & Analysis Instruments

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49% off
Yieryi Smart WIFI Aquarium Seawater Salinity Water Quality Meter PH EC TDS Salt TEMP Data Logger Tester Monitor for Fish Tanks Yieryi Smart WIFI Aquarium Seawater Salinity Water Quality Meter PH EC TDS Salt TEMP Data Logger Tester Monitor for Fish Tanks

Yieryi Smart WIFI Aquarium Seawater Salinity Water Quality Meter PH EC TDS Salt TEMP Data Logger Tester Monitor for Fish Tanks

$46.75 $92.65

41 sold

Categories: Tools, Measurement & Analysis Instruments

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15% off
Yieryi Ph Replacement Probe Aquarium Hydroponic Laboratory Electrode Ph Meter Potential Test BNC Q9 Connector 1.2/3M Wire Probe Yieryi Ph Replacement Probe Aquarium Hydroponic Laboratory Electrode Ph Meter Potential Test BNC Q9 Connector 1.2/3M Wire Probe

Yieryi Ph Replacement Probe Aquarium Hydroponic Laboratory Electrode Ph Meter Potential Test BNC Q9 Connector 1.2/3M Wire Probe

$7.21 $8.50

993 sold

Categories: Tools, Measurement & Analysis Instruments

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35% off
Digital WiFi PH EC TDS SALT SG.Temp Meter Water Quality Tester Data Logger 6-in-1 Smart Monitor Tuya APP Control US/EU/UK Plug Digital WiFi PH EC TDS SALT SG.Temp Meter Water Quality Tester Data Logger 6-in-1 Smart Monitor Tuya APP Control US/EU/UK Plug

Digital WiFi PH EC TDS SALT SG.Temp Meter Water Quality Tester Data Logger 6-in-1 Smart Monitor Tuya APP Control US/EU/UK Plug

$47.76 $73.47

23 sold

Categories: Tools, Measurement & Analysis Instruments

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