Cheap GAIN EXPRESS pH Meters buy at RED Protools Store

34 PH Meters By GAIN EXPRESS Brand Found. Average cost of all items in PH Meters list is $20. This brand is 78% more expensive than others in this listing.

PH Meters Brands / GAIN EXPRESS CatalogJUANJUAN, Yieryi, OOTDTY, KKMOON, Alloet, FGHGF, ANENG, Shanwen, VAHIGCY, ACEHE, Easyover, BSIDE, Meterk, VKTECH, Kebidumei and 346 more

Pen-type PH Meter Digital Water Quality Tester, 0~14pH for Hydroponics Aquarium Pool Wine Cola Urine Water Tank with Clear LCD
Price: $8.57
GAIN EXPRESSPen-type PH Meter Digital Water Quality Tester, 0~14pH for Hydroponics Aquarium Pool Wine Cola Urine Water Tank with Clear LCDPh Meters
RED Protools Store
Pen-type Digital EC Conductivity Meter Tester 0~19.99ms/cm + Electrode + ATC
Price: $9.27
GAIN EXPRESSPen-type Digital EC Conductivity Meter Tester 0~19.99ms/cm + Electrode + ATCPh Meters
RED Protools Store
4 in 1 Digital pH Meter measure Soil PH/ Temperature / Moisture / Sunlight Tester with Backlight
Price: $9.27
GAIN EXPRESS4 in 1 Digital pH Meter measure Soil PH/ Temperature / Moisture / Sunlight Tester with BacklightPh Meters
RED Protools Store
Handheld Heavy Duty pH Electrode Probe BNC 0.00 to 14.00pH Range + 300cm Cable + 2 Calibration Buffer Solution
Price: $10.44
GAIN EXPRESSHandheld Heavy Duty pH Electrode Probe BNC 0.00 to 14.00pH Range + 300cm Cable + 2 Calibration Buffer SolutionPh Meters
RED Protools Store
Handheld Heavy Duty pH Electrode Probe BNC 0.00 to 14.00pH Range + 300cm Cable + 2 Calibration Buffer Solution
Price: $13.8
GAIN EXPRESSHandheld Heavy Duty pH Electrode Probe BNC 0.00 to 14.00pH Range + 300cm Cable + 2 Calibration Buffer SolutionPh Meters
RED Protools Store
Digital Pen-type Redox Meter -1999mV~1999mV Millivolts Backlight LCD Pool Aquarium ORP Water Quality Tester
Price: $15.1
GAIN EXPRESSDigital Pen-type Redox Meter -1999mV~1999mV Millivolts Backlight LCD Pool Aquarium ORP Water Quality TesterPh Meters
RED Protools Store
Digital pH Monitor Meter ATC 0~14.00pH Replaceable Electrode Probe BNC Water Quality Monitoring Tester Kit Aquarium Hydroponics
Price: $15.57
GAIN EXPRESSDigital pH Monitor Meter ATC 0~14.00pH Replaceable Electrode Probe BNC Water Quality Monitoring Tester Kit Aquarium HydroponicsPh Meters China
RED Protools Store
Digital Chlorine Tester, PH & Chlorine Cl2 Level Meter Tester Test Monitor Swimming Pool Spa Water monitor Quality Analysis
Price: $16.04
GAIN EXPRESSDigital Chlorine Tester, PH & Chlorine Cl2 Level Meter Tester Test Monitor Swimming Pool Spa Water monitor Quality AnalysisPh Meters
RED Protools Store
Digital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe, Water Quality Monitoring Tester Kit Aquarium Spa
Price: $16.05
GAIN EXPRESSDigital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe, Water Quality Monitoring Tester Kit Aquarium SpaPh Meters
RED Protools Store
PH & Chlorine Cl2 Level Meter Tester, Digital Chlorine Tester, Test Monitor Swimming Pool Spa Water monitor Quality Analysis
Price: $17.7
GAIN EXPRESSPH & Chlorine Cl2 Level Meter Tester, Digital Chlorine Tester, Test Monitor Swimming Pool Spa Water monitor Quality AnalysisPh Meters
RED Protools Store
Digital pH Monitor Meter ATC 0.00~14.00pH w/ Power Adaptor & 1.5M Long Electrode Probe, Continuous Water Quality Monitoring Kit
Price: $17.89
GAIN EXPRESSDigital pH Monitor Meter ATC 0.00~14.00pH w/ Power Adaptor & 1.5M Long Electrode Probe, Continuous Water Quality Monitoring KitPh Meters
RED Protools Store
ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, Aquaculture
Price: $18.6
GAIN EXPRESSORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Oxidation Reduction Potential, Aquariums, Swimming Pools, AquaculturePh Meters
RED Protools Store
PH /EC/Temperature Meter ATC 3 in 1 Waterproof Pen Type Water Quality Combo Multi-Parameter Tester Monitor Analyzer Acidometer
Price: $19.75
GAIN EXPRESSPH /EC/Temperature Meter ATC 3 in 1 Waterproof Pen Type Water Quality Combo Multi-Parameter Tester Monitor Analyzer AcidometerPh Meters
RED Protools Store
Precise Pocket-size Digital Oxidation Reduction Potentialis ORP Redox Meter Tester Water Quality Pool Aquarium +/-1000mV Range
Price: $19.75
GAIN EXPRESSPrecise Pocket-size Digital Oxidation Reduction Potentialis ORP Redox Meter Tester Water Quality Pool Aquarium +/-1000mV RangePh Meters
RED Protools Store
Replaceable ORP REDOX Electrode Probe 0 ~ +/- 1999 mV ORP Meter Tester 300cm long Cable with BNC socket
Price: $22.1
GAIN EXPRESSReplaceable ORP REDOX Electrode Probe 0 ~ +/- 1999 mV ORP Meter Tester 300cm long Cable with BNC socketPh Meters
RED Protools Store
Handheld 3in1 Waterproof Professional EC CF PPM Dipstick Conductivity Stick Meter Nutrient Tester +/-4% Accuracy + ATC
Price: $23.25
GAIN EXPRESSHandheld 3in1 Waterproof Professional EC CF PPM Dipstick Conductivity Stick Meter Nutrient Tester +/-4% Accuracy + ATCPh Meters
RED Protools Store
3-in-1 Conductivity EC & pH & Temperature Multi-parameter Tester Digital Pen ATC, Water Quality Test Analyze Calibration Kit
Price: $23.96
GAIN EXPRESS3-in-1 Conductivity EC & pH & Temperature Multi-parameter Tester Digital Pen ATC, Water Quality Test Analyze Calibration KitPh Meters China
RED Protools Store
Portable Digital LCD Display Mini ORP REDOX Meter Tester 0 ~ +/-1999mV Range Electrode +/- 5mV Accuracy
Price: $24.19
GAIN EXPRESSPortable Digital LCD Display Mini ORP REDOX Meter Tester 0 ~ +/-1999mV Range Electrode +/- 5mV AccuracyPh Meters China
RED Protools Store
Portable Digital LCD Display Mini ORP REDOX Meter Tester 0 ~ +/-1999mV Range Electrode +/- 5mV Accuracy
Price: $24.42
GAIN EXPRESSPortable Digital LCD Display Mini ORP REDOX Meter Tester 0 ~ +/-1999mV Range Electrode +/- 5mV AccuracyPh Meters
RED Protools Store
ORP Redox Electrode, BNC Type Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 300cm Extra Long Cable
Price: $25
GAIN EXPRESSORP Redox Electrode, BNC Type Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 300cm Extra Long CablePh Meters
RED Protools Store
Portable Digital Pen type Waterproof 3 in 1 EC CF TDS Conductivity Hydroponic Meter Tester 19990 ppm Built-in ATC
Price: $25.35
GAIN EXPRESSPortable Digital Pen type Waterproof 3 in 1 EC CF TDS Conductivity Hydroponic Meter Tester 19990 ppm Built-in ATCPh Meters
RED Protools Store
Monitor Meter Tester ATC, Online PH/EC Conductivity, Water Quality Real-time Continuous Monitoring, Wall Mountable&Rechargeable
Price: $25.82
GAIN EXPRESSMonitor Meter Tester ATC, Online PH/EC Conductivity, Water Quality Real-time Continuous Monitoring, Wall Mountable&RechargeablePh Meters
RED Protools Store
3-in-1 pH / TDS / Temperature Meter Combo Water Quality Tester Digital Pen-Type with ATC 0.00~14.00pH 0~1999mg/L(ppm) Pool, Spa
Price: $26.77
GAIN EXPRESS3-in-1 pH / TDS / Temperature Meter Combo Water Quality Tester Digital Pen-Type with ATC 0.00~14.00pH 0~1999mg/L(ppm) Pool, SpaPh Meters China
RED Protools Store
Optional ORP electrode for M0199720
Price: $28.74
GAIN EXPRESSOptional ORP electrode for M0199720Ph Meters
RED Protools Store
Online PH/EC Conductivity Monitor Meter Tester ATC, Water Quality Real-time Continuous Monitoring, Wall Mountable & Rechargeable
Price: $28.85
GAIN EXPRESSOnline PH/EC Conductivity Monitor Meter Tester ATC, Water Quality Real-time Continuous Monitoring, Wall Mountable & RechargeablePh Meters
RED Protools Store
Optional ORP electrode for M0199720
Price: $29.01
GAIN EXPRESSOptional ORP electrode for M0199720Ph Meters
RED Protools Store
ORP Redox Electrode, BNC Type Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 300cm Extra Long Cable
Price: $32.5
GAIN EXPRESSORP Redox Electrode, BNC Type Connector Replacement Probe for Tester Meter 14cm Long 1.2cm Diameter 300cm Extra Long CablePh Meters China
RED Protools Store
2-in-1 pH TDS water Treatment Tester Monitor Replaceable pH Electrode swimming Pool Aquarium Laboratories Digital Testing Tool
Price: $37.19
GAIN EXPRESS2-in-1 pH TDS water Treatment Tester Monitor Replaceable pH Electrode swimming Pool Aquarium Laboratories Digital Testing ToolPh Meters
RED Protools Store
Digital 2-in-1 pH TDS Water Quality Tester Monitor Replaceable pH Electrode Aquarium Pool Hydroponic Spa Meter Tool
Price: $37.43
GAIN EXPRESSDigital 2-in-1 pH TDS Water Quality Tester Monitor Replaceable pH Electrode Aquarium Pool Hydroponic Spa Meter ToolPh Meters
RED Protools Store
3-in-1 PH ORP Temperature Combo Meter Tester Pen Type with Automatic Temperature Compensation
Price: $39.81
GAIN EXPRESS3-in-1 PH ORP Temperature Combo Meter Tester Pen Type with Automatic Temperature CompensationPh Meters
RED Protools Store
Dual Display DIGITAL 2 in 1 PH ORP Aquarium CONTROLLER BNC ELECTRODES Redox mV CO2 O3 110V/220V
Price: $86.43
GAIN EXPRESSDual Display DIGITAL 2 in 1 PH ORP Aquarium CONTROLLER BNC ELECTRODES Redox mV CO2 O3 110V/220VPh Meters
RED Protools Store
6-in-1 Pen type Water Quality Meter pH Temperature Conductivity EC TDS Salt Tester optional ORP ( Made in Taiwan )
Price: $95.07
GAIN EXPRESS6-in-1 Pen type Water Quality Meter pH Temperature Conductivity EC TDS Salt Tester optional ORP ( Made in Taiwan )Ph Meters
RED Protools Store
2 in 1 Digital pH & ORP Redox Controller with Separate Relays Repleaceable Electrode BNC Type Probe Water Quality Monitor Tester
Price: $127.22
GAIN EXPRESS2 in 1 Digital pH & ORP Redox Controller with Separate Relays Repleaceable Electrode BNC Type Probe Water Quality Monitor TesterPh Meters
RED Protools Store
0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller for Aquarium Hydroponics Plant Pool Spa
Price: $916
GAIN EXPRESS0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller for Aquarium Hydroponics Plant Pool SpaPh Meters
RED Protools Store