Water Quality Meters – Gain Express Wholesale Deals

Sold Out

835-1 Dual Display Conductivity Temperature Meter, uS/mS, C/F, Auto Range, Multi Calibration Point

Regular Price $ 0.00 USD

836-1 Digital Conductivity TDS 0~1999ppm 0~19.99ppt Meter, ATC, 0~1999µS 0~19.99mS C/F

Regular Price $ 24.90 USD

Sold Out

837-1 Salinity & Temp Meter, Pen Type Salt Water Quality Tester ATC NaCl 0~70 ppt for Saltwater, Hydroponics, Pool

Regular Price $ 25.10 USD

837-3 Pentype TDS / Salinity / Temperature Tester Water Quality Meter with ATC

Regular Price $ 23.90 USD

8403 Professional Digital Large LCD Dissolved Oxygen DO Meter Tester

Regular Price $ 154.50 USD

868-5 Waterproof pH meter with Temperature + Auto Calibration

Regular Price $ 22.90 USD

868-9 Waterproof Pen type pH 0-14pH Temperature Meter ATC Digital Tester, Thermometer, 1-Touch Multi-Calibration with Pouch, Auto Buffer Solution Recognition

Regular Price $ 39.90 USD

869-0 Waterproof 2-in-1 pH & Temperature Meter, ATC, Digital Water Quality Testing Tester w/ ±0.05pH Accuracy, for Spa, Aquarium, Pool, Laboratory, AquaCulture, Hydroponics

Regular Price $ 38.90 USD

Sold Out

AZ-8891 Waterproof Digital Thermometer Monitor Beer Wine Meter

Regular Price $ 0.00 USD

Sold Out

Cond-21 Waterproof Professional Digital 19990us/cm ATC Conductivity Meter EC Tester Taiwan Made

Regular Price $ 0.00 USD

E-1325M 0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor

Regular Price $ 9.90 USD

E-2627 PH Probe with BNC Connector, 150cm Long Cable 0-14pH Test Sensor Electrode for PH Meter Monitor Controller

Regular Price $ 9.90 USD

Sold Out

EC-1382 Digital EC Conductivity Meter Tester Water 0~1999 us/cm with ATC & Electrode

Regular Price $ 0.00 USD

EC-1383 Pen Type EC / Hydroponics / Nutrient Meter (0~19.99ms/cm)

Regular Price $ 8.90 USD

EC-1385 Digital 3-in-1 EC / CF / TDS Meter Combo Water Quality Tester IP65 Waterproof Conductivity with ATC

Regular Price $ 25.90 USD

ECM-226 3-in-1 Conductivity EC & pH & Temperature Meter Multi-parameter Tester

Regular Price $ 24.90 USD

Sold Out

ECM-227 Digital LCD EC Conductivity Meter Tester 0~19.99ms/cm Pen Type with Backlight, Hydroponics, Aquaculture

Regular Price $ 0.00 USD

ECM-231 Online PH & EC Conductivity Monitor Meter Tester ATC, Water Quality Real-time Continuous Monitoring, Rechargeable

Regular Price $ 24.90 USD

ECS-23852 0.4 - 4.4EC EC/ppm/CF Nutra-wand / Hydroponic Meter Stick

Regular Price $ 22.90 USD

FC-003 Water ph Chlorine Tester Quality Pool CL2 Test Kit Chlorine HydroTools

Regular Price $ 6.90 USD