pH Meters

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5in1 Water Quality Tester Digital Salinity Meter Ec Tds S.g Temp Salt Monitor For Driking Water Pool Aquarium Hydroponic

Bluetooth Connection App 6-in-1 Water Quality Detector Ph/orp/ec/tds/temperture Swimming Pool Residual Chlorine Monitorb

High Accuracy Food PH Meter: 0.00-14.00 PH Range, Temp PH Tester Sensor, Acidity Analyzer for Meat, Canning, Cheese, Dough & Water

Digital Waterproof PH Meter with ATC and High Accuracy for Food PH Testing, Measures PH & Temperature

PH Meter Calibration Solution & ORP Tester Calibration Fluid Buffer Solutions for pH and ORP Measurement

- 3 in 1 Soil Tester, Soil pH Tester, Soil Moisture Meter, Soil Light Intensity Tester, 3 in 1 Soil Tester for Garden and Agriculture (No Battery Need

£13.95 Save £7.00 RRP: £20.95

Digital PH Meter, pH Meter 0.01 PH High Precision Water Quality Tester with Measuring Range 0-14 PH for Home Drinking Water, Swimming Pool and Aquariu

£18.95 Save £9.00 RRP: £27.95

Portable PH Water Quality Pen PH Detector ph-02 Water Quality Tester for Fish Tank Aquaculture, Yellow

£14.95 Save £8.00 RRP: £22.95

Water Quality Meter for Fish Tank Aquarium Pool - Wifi Tuya Smart Monitor (Ph Orp Ppm Cf Humidity)

£84.00 Save £65.00 RRP: £149.00

Mini Professional Online Ph Meter Water Quality Tester

Ph Probe Sensor 0 To 14ph Bnc Plug High Accuracy Composite Ph Electrode For Laboratories Schools Wor

£36.95 Save £9.00 RRP: £45.95

2-in-1 Soil Ph Meter Fertility Tester Ph Tester Soil Tester

Ph Replacement Probe Aquarium Hydroponic Laboratory Electrode Ph Meter

Professional Ph Tester Soil Moisture/ph/sunlight Intensity Testers

Professional & Power-saving Ph-007t Pen-type Ph Meter High Precision

Portable Oxidation Reduction Potential Industry And Experiment Analyzer

Digital Ph Meter 4 In 1 Temperature Water Quality Monitor Tester

Ph Meter Water Quality Tester Ph/cl2 Meter Cl2 Chlorine Tester

Water Quality Tester 3 In 1 Temperature Water Quality Meter

Integrated Water Testing Device For Acidity Impurities Electronic Organization Salinity Temperature Deuterium Dense Design For Lab Home Aquaculture

Transportable Multifunctional Water Tester With Hook Plan Accurately Procedures H₂ Temperature For Marine Monitoring Multicolor

Professional COM-100 EC Analyzer TDS Meter Temp Tester Measurement

£69.00 Save £20.00 RRP: £89.00

Rechargeable 5 in 1 Salinity Meter PH Water Quality Tester

£33.95 Save £10.00 RRP: £43.95

5 in 1 TDS/EC/PH/Salinity/Temperature Meter Digital Water Quality Monitor Tester for Pools, Drinking Water, Aquariums

£22.95 Save £7.00 RRP: £29.95

PH Electrode Sensor Probe Factory Industry Laboratory Pool Water Analyzer PH Meter Tester PH Probe BNC Connector

£11.95 Save £3.00 RRP: £14.95

Linshang LS310 COD, TOC, UV275, TDS Meter Digital for Drinking Water

£48.95 Save £15.05 RRP: £64.00

3 in 1 Digital PH Meter for Water, TDS/PH/Temp Meter, Water Tester

£19.95 Save £5.00 RRP: £24.95

3 Pack Ph Meter Tds Ppm Meter And 3 In 1 Soil Ph Tester Ph/ec Digital Kit For Home, Garden, Lawn, Farm-hy

£11.95 Save £6.00 RRP: £17.95

ORP Redox Meter Tester 1999-1999MV 1-Point Calibration Oxidation Reduction Potential Swimming Pools

£24.95 Save £12.00 RRP: £36.95

High Precision Water Hardness Instrument Ec Tds Tester Ph Meter Aquarium Pool Water Quality Testing-hy

£9.95 Save £5.00 RRP: £14.95

50pcs Chlorine Dip Test Strips Hot Tub Spa Swimming Pool Ph Tester Paper

£12.95 Save £13.00 RRP: £25.95

Digital Conductivity Tester Pen EC-138, Portable Liquid Electrical Conductivity Meter for Water Quality Testing, Accurate Results