Pool sensors and probes

3-in-1 water quality tester: pH value, EC value, temperature, multifunctional, powder and battery not included--BIEMMEDUE (1/5)

3-in-1 water quality tester: pH value, EC value, temperature, multifunctional, powder and battery not included--BIEMMEDUE (2/5)

3-in-1 water quality tester: pH value, EC value, temperature, multifunctional, powder and battery not included--BIEMMEDUE (3/5)

3-in-1 water quality tester: pH value, EC value, temperature, multifunctional, powder and battery not included--BIEMMEDUE

~~£63.77~~

Free shipping

7-in-1 Water Quality Tester pH/EC/TDS/H2 ORP/Salinity for Aquariums and Marine Farming--BIEMMEDUE (1/5)

7-in-1 Water Quality Tester pH/EC/TDS/H2 ORP/Salinity for Aquariums and Marine Farming--BIEMMEDUE (2/5)

7-in-1 Water Quality Tester pH/EC/TDS/H2 ORP/Salinity for Aquariums and Marine Farming--BIEMMEDUE (3/5)

7-in-1 Water Quality Tester pH/EC/TDS/H2 ORP/Salinity for Aquariums and Marine Farming--BIEMMEDUE

~~£74.37~~

Free shipping

Intelligent Bluetooth ORP tester with backlit LCD screen for measuring digital oxidation-reduction potential (battery not included)--BIEMMEDUE (1/5)

Intelligent Bluetooth ORP tester with backlit LCD screen for measuring digital oxidation-reduction potential (battery not included)--BIEMMEDUE

~~£65.12~~

Free shipping

7-in-1 Multifunctional Water Quality Analyzer: pH/SG/ORP/TEMP/EC salinity and TDS tester with built-in button cell battery--BIEMMEDUE (1/5)

7-in-1 Multifunctional Water Quality Analyzer: pH/SG/ORP/TEMP/EC salinity and TDS tester with built-in button cell battery--BIEMMEDUE (2/5)

7-in-1 Multifunctional Water Quality Analyzer: pH/SG/ORP/TEMP/EC salinity and TDS tester with built-in button cell battery--BIEMMEDUE (3/5)

7-in-1 Multifunctional Water Quality Analyzer: pH/SG/ORP/TEMP/EC salinity and TDS tester with built-in button cell battery--BIEMMEDUE

~~£66.75~~

Free shipping

Portable water quality analyzer, electronic water quality tester for swimming pools, measuring pH and chlorine levels (1/4)

Portable water quality analyzer, electronic water quality tester for swimming pools, measuring pH and chlorine levels (2/4)

Portable water quality analyzer, electronic water quality tester for swimming pools, measuring pH and chlorine levels

~~£84.42~~

Free shipping

Hardness Tester, 170 to 960 HL Hardness Tester for Metals HL HRA HRB HRC HB HV HSD, 40 Data Sets, Professional Hardness Gauge for Machine Manufacturing (1/5)

Hardness Tester, 170 to 960 HL Hardness Tester for Metals HL HRA HRB HRC HB HV HSD, 40 Data Sets, Professional Hardness Gauge for Machine Manufacturing

~~£530.99~~

Free shipping

5-in-1 Water Quality Tester: pH, Salt, Total Dissolved Solids, EC, Temperature. Multifunctional Mariculture Tester for Aquarium and Aquaculture Drinking Water. (1/4)

5-in-1 Water Quality Tester: pH, Salt, Total Dissolved Solids, EC, Temperature. Multifunctional Mariculture Tester for Aquarium and Aquaculture Drinking Water.

Free shipping

EDD Aqua Care Billi Service

~~£779.00~~

Free shipping

4-in-1 Electronic pH Meter with Backlit LCD Display, Water Quality Tester for Measuring pH, TDS, EC and Temperature, for Drinking Water, Aquariums and Swimming Pools. (1/5)

4-in-1 Electronic pH Meter with Backlit LCD Display, Water Quality Tester for Measuring pH, TDS, EC and Temperature, for Drinking Water, Aquariums and Swimming Pools.

Free shipping

PC-102B Water Quality Analyzer CL2 Chlorine & pH Tester Swimming Pool Spa Chlorine & pH Tester PH2 Water Quality with Pool Probe Large Screen Display Level Test Result (1/5)

PC-102B Water Quality Analyzer CL2 Chlorine & pH Tester Swimming Pool Spa Chlorine & pH Tester PH2 Water Quality with Pool Probe Large Screen Display Level Test Result

Free shipping

Water Quality Tester, Swimming Pool Water Tester Digital Water Quality Tester Hydrogen Tester Pen Highly Sensitive Water Quality Tester for Aquatic Plants Water (1/5)

Water Quality Tester, Swimming Pool Water Tester Digital Water Quality Tester Hydrogen Tester Pen Highly Sensitive Water Quality Tester for Aquatic Plants Water

Free shipping

Five-function water quality tester with green backlit LCD screen, suitable for swimming pools, aquariums and ponds (1/5)

Five-function water quality tester with green backlit LCD screen, suitable for swimming pools, aquariums and ponds (2/5)

Five-function water quality tester with green backlit LCD screen, suitable for swimming pools, aquariums and ponds (3/5)

Five-function water quality tester with green backlit LCD screen, suitable for swimming pools, aquariums and ponds

Free shipping

Water Quality Tester, 7 in 1 Water Quality Meter ORP PH TDS Temp EC Salinity SG 7 in 1 Precise Digital Water Test Pen with Powder, Digital Water Quality Tester pour me (1/5)

Water Quality Tester, 7 in 1 Water Quality Meter ORP PH TDS Temp EC Salinity SG 7 in 1 Precise Digital Water Test Pen with Powder, Digital Water Quality Tester pour me

Free shipping

2-in-1 Water Quality Tester - Measures pH and Chlorine (Cl2) levels, suitable for swimming pools, hydroponic systems and spas (1/5)

2-in-1 Water Quality Tester - Measures pH and Chlorine (Cl2) levels, suitable for swimming pools, hydroponic systems and spas (2/5)

2-in-1 Water Quality Tester - Measures pH and Chlorine (Cl2) levels, suitable for swimming pools, hydroponic systems and spas (3/5)

2-in-1 Water Quality Tester - Measures pH and Chlorine (Cl2) levels, suitable for swimming pools, hydroponic systems and spas

Free shipping

5-in-1 electronic pool tester with pH calibration powder, suitable for drinking water, aquariums and swimming pools (1/5)

5-in-1 electronic pool tester with pH calibration powder, suitable for drinking water, aquariums and swimming pools (2/5)

5-in-1 electronic pool tester with pH calibration powder, suitable for drinking water, aquariums and swimming pools (3/5)

5-in-1 electronic pool tester with pH calibration powder, suitable for drinking water, aquariums and swimming pools

Free shipping

Pool pH Probe, Salinometer for Pool Water, 5 in 1 TDS/EC/Salt Meter/Thermometer/PH Water Quality Tester, Digital Water Quality Monitor, Pool Water Quality Tester (1/5)

Pool pH Probe, Salinometer for Pool Water, 5 in 1 TDS/EC/Salt Meter/Thermometer/PH Water Quality Tester, Digital Water Quality Monitor, Pool Water Quality Tester

Free shipping

5-in-1 water quality tester for swimming pools, electronic pH meter, suitable for drinking water, aquariums and spas (1/5)

5-in-1 water quality tester for swimming pools, electronic pH meter, suitable for drinking water, aquariums and spas (2/5)

5-in-1 water quality tester for swimming pools, electronic pH meter, suitable for drinking water, aquariums and spas (3/5)

5-in-1 water quality tester for swimming pools, electronic pH meter, suitable for drinking water, aquariums and spas

Free shipping

pH Tester, 2 in 1 Portable Chlorine and pH CL2 Meter, Water Quality Analysis, Measurement and Monitoring for Pools, Spas and Spring Water (1/5)

pH Tester, 2 in 1 Portable Chlorine and pH CL2 Meter, Water Quality Analysis, Measurement and Monitoring for Pools, Spas and Spring Water (2/5)

pH Tester, 2 in 1 Portable Chlorine and pH CL2 Meter, Water Quality Analysis, Measurement and Monitoring for Pools, Spas and Spring Water (3/5)

pH Tester, 2 in 1 Portable Chlorine and pH CL2 Meter, Water Quality Analysis, Measurement and Monitoring for Pools, Spas and Spring Water

Free shipping

Détection de la qualité de l'eau Testeur de qualité de l'eau,compteur TDS 3-en-1 compteur EC et stylo d'essai de température avec écran LCD rétro-éclairé équipement d'analyse de la qualité de l'eau GR (1/5)

Détection de la qualité de l'eau Testeur de qualité de l'eau,compteur TDS 3-en-1 compteur EC et stylo d'essai de température avec écran LCD rétro-éclairé équipement d'analyse de la qualité de l'eau GR

~~£39.42~~

Free shipping

Qualité Eau Testeur,Portable Numérique Moniteur,Ph Eau Testeur Analyse Chlore Piscine Kit Test (1/5)

Qualité Eau Testeur,Portable Numérique Moniteur,Ph Eau Testeur Analyse Chlore Piscine Kit Test (2/5)

Qualité Eau Testeur,Portable Numérique Moniteur,Ph Eau Testeur Analyse Chlore Piscine Kit Test (3/5)

Qualité Eau Testeur,Portable Numérique Moniteur,Ph Eau Testeur Analyse Chlore Piscine Kit Test

~~£51.08~~

Free shipping

Soins des plantes Lot de 3 arrosoirs en acier inoxydable avec bec verseur précis, capacité 2 L, design ergonomique et antidérapant (1/5)

Soins des plantes Lot de 3 arrosoirs en acier inoxydable avec bec verseur précis, capacité 2 L, design ergonomique et antidérapant (2/5)

Soins des plantes Lot de 3 arrosoirs en acier inoxydable avec bec verseur précis, capacité 2 L, design ergonomique et antidérapant (3/5)

Soins des plantes Lot de 3 arrosoirs en acier inoxydable avec bec verseur précis, capacité 2 L, design ergonomique et antidérapant

~~£43.96~~

Free shipping

Ouylaf pH-mètre électronique 5-en-1 Teste pH/TDS/EC/Température/Salinité Écran LCD rétro-éclairé Étanchéité IP67 pour aquariums/piscines - 5-en-1Testeur (1/5)

Ouylaf pH-mètre électronique 5-en-1 Teste pH/TDS/EC/Température/Salinité Écran LCD rétro-éclairé Étanchéité IP67 pour aquariums/piscines - 5-en-1Testeur

~~£61.54~~

Free shipping

Testeur de qualité de l'eau PH Set de température pour la Culture hydroponique, Les Aquariums, l'eau Potable, Le système RO, l'étang et la Piscine

~~£43.10~~

Free shipping

Qualité de L'eau, Testeur de Piscine électrique PC-102B CL2 Testeur de Chlore et de PH Analyseur de Qualité de L'eau de Spa de Piscine avec Sonde (1/5)

Qualité de L'eau, Testeur de Piscine électrique PC-102B CL2 Testeur de Chlore et de PH Analyseur de Qualité de L'eau de Spa de Piscine avec Sonde (2/5)

Qualité de L'eau, Testeur de Piscine électrique PC-102B CL2 Testeur de Chlore et de PH Analyseur de Qualité de L'eau de Spa de Piscine avec Sonde (3/5)

Qualité de L'eau, Testeur de Piscine électrique PC-102B CL2 Testeur de Chlore et de PH Analyseur de Qualité de L'eau de Spa de Piscine avec Sonde

~~£39.58~~

Free shipping

Testeur D'Eau Numérique TDS 5 en 1, Compteur de Sel PH TDS EC avec Température, Testeur de qualité de L'Eau Portable Léger pour Eau Potable, Aquariums (1/5)

Testeur D'Eau Numérique TDS 5 en 1, Compteur de Sel PH TDS EC avec Température, Testeur de qualité de L'Eau Portable Léger pour Eau Potable, Aquariums

~~£76.36~~

Free shipping

Digital pH Meter with Litmus Test Strip Function/Temperature, Multifunctional 0.01 High Precision Pool pH Tester, Water Quality Tester with ATC Function (1/5)

Digital pH Meter with Litmus Test Strip Function/Temperature, Multifunctional 0.01 High Precision Pool pH Tester, Water Quality Tester with ATC Function

~~£29.06~~

Free shipping

Automatic pH Tester, Chlorine pH Meter, Digital Water Analyzer, Specially for Swimming Pools, Spas, and Aquariums (1/5)

Automatic pH Tester, Chlorine pH Meter, Digital Water Analyzer, Specially for Swimming Pools, Spas, and Aquariums (2/5)

Automatic pH Tester, Chlorine pH Meter, Digital Water Analyzer, Specially for Swimming Pools, Spas, and Aquariums (3/5)

Automatic pH Tester, Chlorine pH Meter, Digital Water Analyzer, Specially for Swimming Pools, Spas, and Aquariums

~~£32.48~~

Free shipping

pH Meter, 5-in-1 pH/TDS/EC/Salinity/Thermometer, LCD Screen pH Tester, Automatic Temperature Compensation, Electronic pH Meter, Suitable for Drinking Water, Aquariums, Swimming Pools (1/5)

pH Meter, 5-in-1 pH/TDS/EC/Salinity/Thermometer, LCD Screen pH Tester, Automatic Temperature Compensation, Electronic pH Meter, Suitable for Drinking Water, Aquariums, Swimming Pools

~~£41.02~~

Free shipping

TDS EC 3-in-1 Digital Water Quality Tester Meter with LCD Display, Temperature and Conductivity Measurement (0-9999 PPM), Drinking Water Quality Monitor Pen (1/5)

TDS EC 3-in-1 Digital Water Quality Tester Meter with LCD Display, Temperature and Conductivity Measurement (0-9999 PPM), Drinking Water Quality Monitor Pen

~~£15.38~~

Free shipping

pH Meter, 5-in-1 pH/TDS/EC/Salinity/Thermometer, LCD Screen pH Tester, Automatic Temperature Compensation, Electronic pH Meter, Suitable for Drinking Water, Aquariums, Swimming Pools

~~£42.74~~

Free shipping

Precision Digital pH Tester: pH Meter for Swimming Pools with Simulation Strip Function, Waterproof Water Quality Tester, Auto Calibration for Swimming Pools and Aquariums (1/5)

Precision Digital pH Tester: pH Meter for Swimming Pools with Simulation Strip Function, Waterproof Water Quality Tester, Auto Calibration for Swimming Pools and Aquariums

~~£29.06~~

Free shipping

TDS Meter Tester, Digital TDS Tester for Water, Water Quality Tester, Water Tester Function (1/5)

TDS Meter Tester, Digital TDS Tester for Water, Water Quality Tester, Water Tester Function (2/5)

TDS Meter Tester, Digital TDS Tester for Water, Water Quality Tester, Water Tester Function (3/5)

TDS Meter Tester, Digital TDS Tester for Water, Water Quality Tester, Water Tester Function

~~£17.08~~

Free shipping

pH Meter, 5-in-1 pH, EC, TDS, Salinity, Thermometer, High Precision pH Tester for Swimming Pools with Backlit LED Display and Temperature Compensation, for Drinking Water/Swimming Pools, Green (1/5)

pH Meter, 5-in-1 pH, EC, TDS, Salinity, Thermometer, High Precision pH Tester for Swimming Pools with Backlit LED Display and Temperature Compensation, for Drinking Water/Swimming Pools, Green

~~£42.74~~

Free shipping

Digital Water pH Tester, High Precision Portable Water Quality Analyzer Pen for Swimming Pools and Aquariums (1/5)

Digital Water pH Tester, High Precision Portable Water Quality Analyzer Pen for Swimming Pools and Aquariums (2/5)

Digital Water pH Tester, High Precision Portable Water Quality Analyzer Pen for Swimming Pools and Aquariums (3/5)

Digital Water pH Tester, High Precision Portable Water Quality Analyzer Pen for Swimming Pools and Aquariums

~~£34.18~~

Free shipping

Water Quality, PC-102B CL2 Electric Pool Tester Chlorine and pH Tester Swimming Pool Spa Water Quality Analyzer with Probe (1/4)

Water Quality, PC-102B CL2 Electric Pool Tester Chlorine and pH Tester Swimming Pool Spa Water Quality Analyzer with Probe (2/4)

Water Quality, PC-102B CL2 Electric Pool Tester Chlorine and pH Tester Swimming Pool Spa Water Quality Analyzer with Probe

~~£39.30~~

Free shipping

2-in-1 Chlorine and pH Tester Meter for Swimming Pools and Spas, Portable Water Quality Tester with Needle, pH/Cl2 Level Tester (1/4)

2-in-1 Chlorine and pH Tester Meter for Swimming Pools and Spas, Portable Water Quality Tester with Needle, pH/Cl2 Level Tester (2/4)

2-in-1 Chlorine and pH Tester Meter for Swimming Pools and Spas, Portable Water Quality Tester with Needle, pH/Cl2 Level Tester

~~£35.89~~

Free shipping

5-in-1 Digital Pool Salinity Tester, pH and Saltwater Meter, pH and Salinity Meter for Swimming Pools, Hot Tubs, and More (1/3)

5-in-1 Digital Pool Salinity Tester, pH and Saltwater Meter, pH and Salinity Meter for Swimming Pools, Hot Tubs, and More

~~£40.10~~

Free shipping

Chlorinator parts compatible with automotive parts/chlorinators 320 and 322, including model R172272 (1/5)

Chlorinator parts compatible with automotive parts/chlorinators 320 and 322, including model R172272 (2/5)

Chlorinator parts compatible with automotive parts/chlorinators 320 and 322, including model R172272 (3/5)

Chlorinator parts compatible with automotive parts/chlorinators 320 and 322, including model R172272

~~£25.48~~

Free shipping

5-in-1 Digital Pool Salinity Tester, pH and Saltwater Meter, pH and Salinity Meter for Swimming Pools, Hot Tubs and Swim Spas (1/3)

5-in-1 Digital Pool Salinity Tester, pH and Saltwater Meter, pH and Salinity Meter for Swimming Pools, Hot Tubs and Swim Spas

~~£45.08~~

Free shipping

5-in-1 Digital Temperature Tester: pH, TDS, EC, Salinity, Conductivity, Water Filter, Purity, Pen with Backlight (1/5)

5-in-1 Digital Temperature Tester: pH, TDS, EC, Salinity, Conductivity, Water Filter, Purity, Pen with Backlight (2/5)

5-in-1 Digital Temperature Tester: pH, TDS, EC, Salinity, Conductivity, Water Filter, Purity, Pen with Backlight (3/5)

5-in-1 Digital Temperature Tester: pH, TDS, EC, Salinity, Conductivity, Water Filter, Purity, Pen with Backlight

~~£44.76~~

Free shipping

Chlorine and pH Water Meter Tester Kit, Portable Digital Water Quality Monitor, Electronic Water Quality Analyzer Test Kit for Swimming Pools and Spas (1/4)

Chlorine and pH Water Meter Tester Kit, Portable Digital Water Quality Monitor, Electronic Water Quality Analyzer Test Kit for Swimming Pools and Spas

~~£35.64~~

Free shipping

Swimming pool salinity tester, 5-in-1 digital seawater salinity tester, IP67 waterproof test kit (1/4)

Swimming pool salinity tester, 5-in-1 digital seawater salinity tester, IP67 waterproof test kit (2/4)

Swimming pool salinity tester, 5-in-1 digital seawater salinity tester, IP67 waterproof test kit

~~£47.86~~

Free shipping

Rechargeable magnetic LED lamp, smart sensor, 3 color modes, automatic on/off, no drilling required (black, 40 cm) (1/5)

Rechargeable magnetic LED lamp, smart sensor, 3 color modes, automatic on/off, no drilling required (black, 40 cm) (2/5)

Rechargeable magnetic LED lamp, smart sensor, 3 color modes, automatic on/off, no drilling required (black, 40 cm) (3/5)

Rechargeable magnetic LED lamp, smart sensor, 3 color modes, automatic on/off, no drilling required (black, 40 cm)

~~£30.08~~

Free shipping

4-in-1 Electronic pH Meter for Swimming Pools, pH, TDS, and Temperature, with LCD Screen, for Drinking Water, Aquariums, Hydroponics, and Swimming Pools (1/4)

4-in-1 Electronic pH Meter for Swimming Pools, pH, TDS, and Temperature, with LCD Screen, for Drinking Water, Aquariums, Hydroponics, and Swimming Pools

~~£35.26~~

Free shipping

GY6 50cc 60cc Carburetor, 26mm Motorcycle Carburetor for GY6 50cc 60cc Engines, Scooters, ATVs, Go-Karts, Motorbikes

~~£34.31~~

Free shipping

12V to 220V Pure Sine Wave Inverter 300W, LED Display, 2 EU Sockets and 1 USB Port, Overload and Short Circuit Protection

~~£34.31~~

Free shipping

Engine Kit for Honda GX160 GX200 5.5HP - Carburetor, Recoil, Ignition Coil, Spark Plug, Air Filter

~~£34.31~~

Free shipping

Automatic pH Tester, Chlorine pH Meter, Digital Water Analyzer, Specially for Swimming Pools, Spas, and Aquariums (1/4)

Automatic pH Tester, Chlorine pH Meter, Digital Water Analyzer, Specially for Swimming Pools, Spas, and Aquariums (2/4)

Automatic pH Tester, Chlorine pH Meter, Digital Water Analyzer, Specially for Swimming Pools, Spas, and Aquariums

~~£39.06~~

Free shipping

pH Meter, 5 in 1 pH/TDS/EC/Salinity/Temperature Water Quality Monitor Tester for Swimming Pools, Hydroponics, Drinking Water, Aquariums (1/4)

pH Meter, 5 in 1 pH/TDS/EC/Salinity/Temperature Water Quality Monitor Tester for Swimming Pools, Hydroponics, Drinking Water, Aquariums (2/4)

pH Meter, 5 in 1 pH/TDS/EC/Salinity/Temperature Water Quality Monitor Tester for Swimming Pools, Hydroponics, Drinking Water, Aquariums

~~£38.30~~

Free shipping

Set of 3 mini 12-inch replacement chainsaw chains for cordless handheld chainsaws, small low-kickback chainsaw blade for tree trimming and wood cutting (45

~~£33.11~~

Free shipping

Chlorine and pH tester CL2 with probe, water quality analyzer for swimming pools, refill accessory for spa tester, pool pH tester, electronic pool pH and chlorine tester (1/4)

Chlorine and pH tester CL2 with probe, water quality analyzer for swimming pools, refill accessory for spa tester, pool pH tester, electronic pool pH and chlorine tester

~~£42.08~~

Free shipping