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Water Quality Products

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WQM-527 Smart WIFI Water Quality Monitor Multi-Parameter Aquarium Monitor pH, Temperature, TDS, EC (Conductivity), Salinity, S.G, and ORP for Hydroponics, Aquarium, Fish Tank, Aquaculture

WQM 527 Smart WIFI Water Quality Monitor Multi Parameter Aquarium Monitor pH Temperature TDS EC (Conductivity) Salinity WQM 527 Smart WIFI Water Quality Monitor Multi Parameter Aquarium Monitor pH Temperature TDS EC (Conductivity) Salinity

WQM-527 Smart WIFI Water Quality Monitor Multi-Parameter Aquarium Monitor pH, Temperature, TDS, EC (Conductivity), Salinity, S.G, and ORP for Hydroponics, Aquarium, Fish Tank, Aquaculture

$82.90 USD

WQM-504 Smart Aquarium Water Quality Monitor – 7-in-1 Real-Time Water Tester for pH, Temperature, TDS, EC, Salinity, Specific Gravity & ORP – WiFi Connected with Mobile Alerts

WQM-504 Smart Aquarium Water Quality Monitor – 7-in-1 Real-Time Water Tester for pH Temperature TDS EC Salinity WQM-504 Smart Aquarium Water Quality Monitor – 7-in-1 Real-Time Water Tester for pH, Temperature, TDS, EC, Salinity, Specific Gravity & ORP – WiFi Connected with Mobile Alerts

WQM-504 Smart Aquarium Water Quality Monitor – 7-in-1 Real-Time Water Tester for pH, Temperature, TDS, EC, Salinity, Specific Gravity & ORP – WiFi Connected with Mobile Alerts

$109.90 USD

WQM-359 Multi-Parameter 8-in-1 Water Test Kit pH. ORP. EC Conductivity, TDS, Salt, S.G., CF, and Temperature with Online APP Tester

WQM - 359 Multi - Parameter 8 - in - 1 Water Test Kit pH. ORP. EC Conductivity, TDS, Salt, S.G., CF, and Temperature with Online APP Tester - Gain Express WQM - 359 Multi - Parameter 8 - in - 1 Water Test Kit pH. ORP. EC Conductivity, TDS, Salt, S.G., CF, and Temperature with Online APP Tester - Gain Express

WQM-359 Multi-Parameter 8-in-1 Water Test Kit pH. ORP. EC Conductivity, TDS, Salt, S.G., CF, and Temperature with Online APP Tester

$94.90 USD

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

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

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

$38.90 USD

ORP-301 Pensize ORP Redox Tester -1200~1200mV Water Quality Measurement ±2mV High Accuracy Oxidation Reduction Potential Meter

ORP - 301 Pensize ORP Redox Tester - 1200~1200mV Water Quality Measurement ±2mV High Accuracy Oxidation Reduction Potential Meter - Gain Express ORP - 301 Pensize ORP Redox Tester - 1200~1200mV Water Quality Measurement ±2mV High Accuracy Oxidation Reduction Potential Meter - Gain Express

ORP-301 Pensize ORP Redox Tester -1200~1200mV Water Quality Measurement ±2mV High Accuracy Oxidation Reduction Potential Meter

PHM-224_PH 3-in-1 ORP Redox PH Temperature Combo Meter Tester w/ EXTRA Electrode, Pen Type ATC -1999~1999mV 0.00-14.00pH 0~50°C, Water Quality Aquarium Tank Swimming Pool Lab Spa Hydroponics

PHM - 224_PH PHM - 224_PH 3 - in - 1 ORP Redox PH Temperature Combo Meter Tester w/ EXTRA Electrode, Pen Type ATC - 1999~1999mV 0.00 - 14.00pH 0~50°C, Water Quality Aquarium Tank Swimming Pool Lab Spa Hydroponics - Gain Express PHM - 224_PH PHM - 224_PH 3 - in - 1 ORP Redox PH Temperature Combo Meter Tester w/ EXTRA Electrode, Pen Type ATC - 1999~1999mV 0.00 - 14.00pH 0~50°C, Water Quality Aquarium Tank Swimming Pool Lab Spa Hydroponics - Gain Express

PHM-224_PH 3-in-1 ORP Redox PH Temperature Combo Meter Tester w/ EXTRA Electrode, Pen Type ATC -1999~1999mV 0.00-14.00pH 0~50°C, Water Quality Aquarium Tank Swimming Pool Lab Spa Hydroponics

$79.90 USD

WQM-243 6 in 1 Professional Multi-parameter pH/ ORP Redox/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter, Digital Multi-function Water Quality Monitor Tester

WQM - 243 6 in 1 Professional Multi - parameter pH/ ORP Redox/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter, Digital Multi - function Water Quality Monitor Tester - Gain Express WQM - 243 6 in 1 Professional Multi - parameter pH/ ORP Redox/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter, Digital Multi - function Water Quality Monitor Tester - Gain Express

WQM-243 6 in 1 Professional Multi-parameter pH/ ORP Redox/ EC/ CF/ TDS PPM/ Temperature Combo Testing Meter, Digital Multi-function Water Quality Monitor Tester

ORP-235 pH mV ORP Temperature 3 in 1 Redox Meter, Removable Electrode Portable Water Quality Tester Thermometer Analysis for Hydroponic Aquarium Fish Tank

ORP - 235 ORP - 235 pH mV ORP Temperature 3 in 1 Redox Meter, Removable Electrode Portable Water Quality Tester Thermometer Analysis for Hydroponic Aquarium Fish Tank - Gain Express ORP - 235 ORP - 235 pH mV ORP Temperature 3 in 1 Redox Meter, Removable Electrode Portable Water Quality Tester Thermometer Analysis for Hydroponic Aquarium Fish Tank - Gain Express

ORP-235 pH mV ORP Temperature 3 in 1 Redox Meter, Removable Electrode Portable Water Quality Tester Thermometer Analysis for Hydroponic Aquarium Fish Tank

PHM-224 PH ORP Temperature 3-in-1 Combo Meter Tester Pen Type with Automatic Temperature Compensation

Phm-224 Ph Orp Temperature 3-In-1 Combo Meter Tester Pen Type With Automatic Compensation Water Phm-224 Ph Orp Temperature 3-In-1 Combo Meter Tester Pen Type With Automatic Compensation Water

PHM-224 PH ORP Temperature 3-in-1 Combo Meter Tester Pen Type with Automatic Temperature Compensation

$72.90 USD

ORP-228 ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa

ORP - 228 ORP - 228 ORP Redox Meter Tester - 1999~1999mV, 1 - point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa - Gain Express ORP - 228 ORP - 228 ORP Redox Meter Tester - 1999~1999mV, 1 - point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa - Gain Express

ORP-228 ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Water Treatment Systems, Aquaculture, Spa

$37.90 USD

ORP-002 Pen-type Redox Meter Digital LCD Pool Aquarium ORP Water Quality Tester with Backlight

ORP - 002 Pen - type Redox Meter Digital LCD Pool Aquarium ORP Water Quality Tester with Backlight - Gain Express ORP - 002 Pen - type Redox Meter Digital LCD Pool Aquarium ORP Water Quality Tester with Backlight - Gain Express

ORP-002 Pen-type Redox Meter Digital LCD Pool Aquarium ORP Water Quality Tester with Backlight

ORP8552 ORP Meter Pen Type Redox 999mV Waterproof IP65 Digital Water Treatment Tester

ORP8552 ORP Meter Pen Type Redox 999mV Waterproof IP65 Digital Water Treatment Tester - Gain Express ORP8552 ORP Meter Pen Type Redox 999mV Waterproof IP65 Digital Water Treatment Tester - Gain Express

ORP8552 ORP Meter Pen Type Redox 999mV Waterproof IP65 Digital Water Treatment Tester

ORP-001 Pen-type ORP Temperature Meter Redox Thermometer (°C/ °F) -1999mV~1999mV Pool Aquarium

ORP - 001 ORP - 001 Pen - type ORP Temperature Meter Redox Thermometer (°C/ °F) - 1999mV~1999mV Pool Aquarium - Gain Express ORP - 001 ORP - 001 Pen - type ORP Temperature Meter Redox Thermometer (°C/ °F) - 1999mV~1999mV Pool Aquarium - Gain Express

ORP-001 Pen-type ORP Temperature Meter Redox Thermometer (°C/ °F) -1999mV~1999mV Pool Aquarium

M0199720 6-in-1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature

M0199720 M0199720 6 - in - 1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature - Gain Express M0199720 M0199720 6 - in - 1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature - Gain Express

M0199720 6-in-1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature

$136.90 USD

PHT-027 7-in-1 Meter Tester ORP , PH, CF, EC, TDS (PPM) °F °C

PHT - 027 PHT - 027 7 - in - 1 Meter Tester ORP , PH, CF, EC, TDS (PPM) °F °C - Gain Express PHT - 027 PHT - 027 7 - in - 1 Meter Tester ORP , PH, CF, EC, TDS (PPM) °F °C - Gain Express

PHT-027 7-in-1 Meter Tester ORP , PH, CF, EC, TDS (PPM) °F °C

PH-0131 Digital pH / ORP mV / Temperature Meter Water Quality Tester with ATC Replaceable pH ORP Electrode Detachable Temperature Probe for Aquarium, Laboratory Test, Hydroponics Water Testing Tool

PH - 0131 PH - 0131 Digital pH / ORP mV / Temperature Meter Water Quality Tester with ATC Replaceable pH ORP Electrode Detachable Temperature Probe for Aquarium, Laboratory Test, Hydroponics Water Testing Tool - Gain Express PH - 0131 PH - 0131 Digital pH / ORP mV / Temperature Meter Water Quality Tester with ATC Replaceable pH ORP Electrode Detachable Temperature Probe for Aquarium, Laboratory Test, Hydroponics Water Testing Tool - Gain Express

PH-0131 Digital pH / ORP mV / Temperature Meter Water Quality Tester with ATC Replaceable pH ORP Electrode Detachable Temperature Probe for Aquarium, Laboratory Test, Hydroponics Water Testing Tool

ORP-8651 3-in-1 Heavy Duty pH, mV & Temperature Meter w/ auto buffer recognition

ORP - 8651 3 - in - 1 Heavy Duty pH, mV & Temperature Meter w/ auto buffer recognition - Gain Express ORP - 8651 3 - in - 1 Heavy Duty pH, mV & Temperature Meter w/ auto buffer recognition - Gain Express
-5%

ORP-8651 3-in-1 Heavy Duty pH, mV & Temperature Meter w/ auto buffer recognition

ORP-1696 ±1999mV ORP REDOX Meter + Electrode Water Quality Tester Laboratory Aquarium Pool

ORP - 1696 ORP - 1696 ±1999mV ORP REDOX Meter + Electrode Water Quality Tester Laboratory Aquarium Pool - Gain Express ORP - 1696 ORP - 1696 ±1999mV ORP REDOX Meter + Electrode Water Quality Tester Laboratory Aquarium Pool - Gain Express

ORP-1696 ±1999mV ORP REDOX Meter + Electrode Water Quality Tester Laboratory Aquarium Pool

ORP-1692 0-1000mV ORP REDOX METER TESTER DURABLE ACCURATE

ORP - 1692 ORP - 1692 0 - 1000mV ORP REDOX METER TESTER DURABLE ACCURATE - Gain Express ORP - 1692 ORP - 1692 0 - 1000mV ORP REDOX METER TESTER DURABLE ACCURATE - Gain Express

ORP-1692 0-1000mV ORP REDOX METER TESTER DURABLE ACCURATE

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