Water Quality Meters – Gain Express Wholesale Deals

SNS-ORP99720 optional ORP electrode for M0199720

Regular Price $31.90

SNS-PHM-224 PH Replacement Electrode for Pen Type Combo Meter PHM-224 TDS-240 ECM-226

Regular Price $6.80

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TDS-139 Digital Pen Type TDS / Conductivity / Hydroponics Meter 0-1999 PPm

Regular Price $0.00

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TDS-1392 0~1999 PPm (mg/L) Range Digital TDS Meter + Monitor + Power Adaptor

Regular Price $0.00

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TDS-232 Digital Combo pH & TDS Monitor Meter Tester ATC, 0.00~14.00pH & 0.0~199.9ppt Rechargeable Real-time Monitoring

Regular Price $37.90

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TDS-240 3-in-1 pH / TDS / Temperature Meter Combo Water Quality Tester

Regular Price $24.90

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TH-9806 2-in-1 Aquarium Thermometer for Tanks & Rooms

Regular Price $0.00

WQM-242 5-in-1 Water Quality Multi-parameter PH EC CF TDS (ppm) Temperature Test Meter Aquariums Hydroponics

Regular Price $56.90

WQM-243 6 in 1 Multi-parameter pH/ ORP Redox/ EC/ CF/ TDS PPM/ Temperature Multi-function Water Quality Monitor Tester

Regular Price $69.90

WQM-303 Pentype Multi-Paramater 5-in-1 Water Quality Tester (pH / TDS / EC / Temp / Salinity) Waterproof Digital Meter Research Household Industrial Laboratory Analysis

Regular Price $30.21

WQM-339 7in1 Pentype Tester PH / TDS / EC / ORP / Salinity / S.G. / Temperature Meter Water Tester for Drinking Water, Aquariums, Hydroponics Pools

Regular Price $18.90

WQM-341 Water Quality Tester pH / EC / TDS / Salinity / SG / Temperature with 24Hrs Online APP Monitoring for Fish Tank Aquariums Home Laboratory Smart Instrument

Regular Price $35.90

WQM-354 Water Quality Tester 4-in-1 TDS Temperature S.G Salt Salinity Meter with ATC for Testing Drinking Water, Aquaculture, Aquarium, Hydroponics, Swimming Pools

Regular Price $11.94

WQM-369 Bluetooth 6 IN 1 Floating Monitor EC / Salinity / pH / ORP / Temperature / Chlorine Smart Meter Tester

Regular Price $36.90

WQM-397 Smart 5-in-1 pH / TDS / Salt / S.G / Temperature WIFI Tester Water Quality for Drinking Supply Aquarium Hydroponics Pool Aquaculture

Regular Price $30.90

WQM-408 6in1 Water Quality Testing Meter TOC UV275 EC TDS COD Temp Tester, Intelligent Scoring Mode, Colored Backlight Indicator Digital Water Test Kit for Home Drinking Water, Tap Industrial Water etc.

Regular Price $32.90

WQM-448 Digital 3-in-1 pH | EC | Temperature Tester Waterproof IP65 for pH/EC Measurement in Water, Meats and Soft Solid Food Samples with ATC, Portable High-Accuracy

Regular Price $35.90

WQM-453 Water Quality Conductivity Indicator 7 LED Conductivity Level Measure 0~90us/cm with ATC and IP68 for Water Filter Monitoring, Environmental Checking etc.

Regular Price $62.90