­
Water Quality Products - Gain Express

Water Quality Products

WQM-341 Water Quality Tester pH / EC / TDS / Salinity / SG / Temperature with 24Hrs Online APP Monitoring for Fish Tank Aquariums Home Laboratory Smart Instrument
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$74.90 USD
View
Calibration Solution (SOL-12.88EC / SOL-PH6.864 / SOL-PH4.003)
Calibration Solution (SOL-12.88EC / SOL-PH6.864 / SOL-PH4.003)
Regular Price$15.00 USD
For Bulk Order Only. Please Contact Us.
View
837-2 Salinity & Temp Meter Pen Type Salt Water Quality Tester ATC NaCl, 9999 ppm / 100.0ppt/ 10% / 0.95-1.08 SG Measurement Units 3-in-1 Checker for Saltwater Aquarium Pond Food Pool Cooking Seawater
837-2 Salinity & Temp Meter Pen Type Salt Water Quality Tester ATC NaCl, 9999 ppm / 100.0ppt/ 10% / 0.95-1.08 SG Measurement Units 3-in-1 Checker for Saltwater Aquarium Pond Food Pool Cooking Seawater
Regular Price$46.90 USD
View
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 pH mV ORP Temperature 3 in 1 Redox Meter, Removable Electrode Portable Water Quality Tester Thermometer Analysis for Hydroponic Aquarium Fish Tank
Regular Price$91.90 USD
For Bulk Order Only. Please Contact Us.
View
ECM-231 Online PH & EC Conductivity Monitor Meter Tester ATC, Water Quality Real-time Continuous Monitoring, Rechargeable, for Aquaculture, Aquarium, Pond, Hydroponics
ECM-231 Online PH & EC Conductivity Monitor Meter Tester ATC, Water Quality Real-time Continuous Monitoring, Rechargeable, for Aquaculture, Aquarium, Pond, Hydroponics
Regular Price$56.90 USD
View
PHM-226 3-in-1 pH Temperature Conductivity EC Meter Tester Digital Pen-Type 19.99 mS/cm, Aquarium, Tank, Swimming Pool, Lab, Spa
PHM-226 3-in-1 pH Temperature Conductivity EC Meter Tester Digital Pen-Type 19.99 mS/cm, Aquarium, Tank, Swimming Pool, Lab, Spa
Regular Price$36.90 USD
For Bulk Order Only. Please Contact Us.
View
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 Temperature Compensation
Regular Price$72.90 USD
View
PHM-205 3 in 1 pH / EC / Temperature Waterproof Meter Monitor Water Quality Tester Pen Type Acidometer Drink Water Quality Analyzer Multi-Parameter
PHM-205 3 in 1 pH / EC / Temperature Waterproof Meter Monitor Water Quality Tester Pen Type Acidometer Drink Water Quality Analyzer Multi-Parameter
Regular Price$35.90 USD
For Bulk Order Only. Please Contact Us.
View
M0199720 6-in-1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature
M0199720 6-in-1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature
Regular Price$136.90 USD
View
SNS-ORP99720 optional ORP electrode for M0199720
SNS-ORP99720 optional ORP electrode for M0199720
Regular Price$52.90 USD
View
SNS-8689 Optional Replaceable Electrode with Cap for pH Temperature Pen Meter (868-9)
SNS-8689 Optional Replaceable Electrode with Cap for pH Temperature Pen Meter (868-9)
Regular Price$32.90 USD
View
PHT-027 7-in-1 Meter Tester ORP , PH, CF, EC, TDS (PPM) °F °C
PHT-027 7-in-1 Meter Tester ORP , PH, CF, EC, TDS (PPM) °F °C
Regular Price$98.00 USD
For Bulk Order Only. Please Contact Us.
View
868-5 Waterproof pH meter with Temperature + Auto Calibration
868-5 Waterproof pH meter with Temperature + Auto Calibration
Regular Price$44.90 USD
For Bulk Order Only. Please Contact Us.
View
868-1 0.0-14.0 pH & Temperature Meter ATC Dual Display, Portable Digital Pen-Type Tester, IP67 Waterproof Dustproof, for Hydroponics Aquariums Drinking Water Quality Control Testing
868-1 0.0-14.0 pH & Temperature Meter ATC Dual Display, Portable Digital Pen-Type Tester, IP67 Waterproof Dustproof, for Hydroponics Aquariums Drinking Water Quality Control Testing
Regular Price$36.90 USD Sale Price$22.14 USD
View
PH-803 Digital pH ORP Redox 2 in 1 Controller Monitor w/ Output Power Relay Control, Electrode Probe BNC, Water Quality Meter Online Continuous Measurement Kit, for Aquarium Hydroponics Plant Pool Spa
PH-803 Digital pH ORP Redox 2 in 1 Controller Monitor w/ Output Power Relay Control, Electrode Probe BNC, Water Quality Meter Online Continuous Measurement Kit, for Aquarium Hydroponics Plant Pool Spa
Regular Price$150.90 USD
View
PH-203 Digital 2-in-1 pH ORP mV CO2 Controller Meter 0.00~14.00PH Range
PH-203 Digital 2-in-1 pH ORP mV CO2 Controller Meter 0.00~14.00PH Range
Regular Price$125.90 USD
For Bulk Order Only. Please Contact Us.
View
PH-025WO Digital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe, Water Quality Monitoring Tester Kit Aquarium Hydroponics Spa Tank Pool Laboratories Mini Portable
PH-025WO Digital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe, Water Quality Monitoring Tester Kit Aquarium Hydroponics Spa Tank Pool Laboratories Mini Portable
Regular Price$33.90 USD
For Bulk Order Only. Please Contact Us.
View
PH-025 Digital pH Monitor Meter ATC 0.00~14.00pH w/ Power Adaptor & 1.5M Long Electrode Probe, Continuous Water Quality Monitoring Tester Kit Aquarium Hydroponics Spa Tank Pool Laboratories Portable
PH-025 Digital pH Monitor Meter ATC 0.00~14.00pH w/ Power Adaptor & 1.5M Long Electrode Probe, Continuous Water Quality Monitoring Tester Kit Aquarium Hydroponics Spa Tank Pool Laboratories Portable
Regular Price$37.90 USD
For Bulk Order Only. Please Contact Us.
View
PH-014 Digital Pen Type pH Meter 0-14pH ATC
PH-014 Digital Pen Type pH Meter 0-14pH ATC
Regular Price$23.90 USD
For Bulk Order Only. Please Contact Us.
View
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 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
Regular Price$96.90 USD
For Bulk Order Only. Please Contact Us.
View