Pool sensors and probes

4-in-1 pH Meter, pH Meter Tester, pH Tester, pH Meter with LCD Display, High Precision Resolution 0.01, Swimming Pool pH Meter (1/4)

4-in-1 pH Meter, pH Meter Tester, pH Tester, pH Meter with LCD Display, High Precision Resolution 0.01, Swimming Pool pH Meter (2/4)

4-in-1 pH Meter, pH Meter Tester, pH Tester, pH Meter with LCD Display, High Precision Resolution 0.01, Swimming Pool pH Meter

Free shipping

3-in-1 TDS pen for pets, EC conductivity analyzer, home water quality tester, high-precision digital display (1/4)

3-in-1 TDS pen for pets, EC conductivity analyzer, home water quality tester, high-precision digital display (2/4)

3-in-1 TDS pen for pets, EC conductivity analyzer, home water quality tester, high-precision digital display

~~£23.06~~

Free shipping

3-in-1 Blue Electrical Conductivity Meter, TDS-EC Measuring Pen for Water Quality Analysis with Backlight - (1/3)

3-in-1 Blue Electrical Conductivity Meter, TDS-EC Measuring Pen for Water Quality Analysis with Backlight -

~~£24.25~~

Free shipping

Pack of 2 TDS testers, 4 in 1 digital water quality tester, portable LCD tester with EC and temperature function for drinking water, swimming pool and aquarium. (1/4)

Sale

Pack of 2 TDS testers, 4 in 1 digital water quality tester, portable LCD tester with EC and temperature function for drinking water, swimming pool and aquarium.

-2%

~~£14.27~~

Free shipping

3-Piece Water Quality Tester Set: Electronic pH Meter, TDS & EC Meter, Temperature Meter, Mineral Detection Pen, 4-in-1 Water Quality Tester with LCD Screen, High Accuracy 0.01--TRIM (1/5)

Sale

3-Piece Water Quality Tester Set: Electronic pH Meter, TDS & EC Meter, Temperature Meter, Mineral Detection Pen, 4-in-1 Water Quality Tester with LCD Screen, High Accuracy 0.01--TRIM

-2%

~~£14.27~~

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

Free shipping

Tetra Test Strips 6in1 x10 strips - 10tes - 591214

Free shipping

TDS Water Quality Tester Thermometer 2 in 1 Set, Portable TDS Tester with LCD Display 0-9990 PPM Measuring Range, Digital TDS Meter for Drinking Water, Aquariums and Swimming Pools(Gray) (1/5)

TDS Water Quality Tester Thermometer 2 in 1 Set, Portable TDS Tester with LCD Display 0-9990 PPM Measuring Range, Digital TDS Meter for Drinking Water, Aquariums and Swimming Pools(Gray)

Free shipping

[NEVER USED] Water Quality Test Meter TDS PH EC Temperature 4-in-1 Set Digital Tester with LCD Display Test for Swimming Pool, Aquarium (1/4)

[NEVER USED] Water Quality Test Meter TDS PH EC Temperature 4-in-1 Set Digital Tester with LCD Display Test for Swimming Pool, Aquarium (2/4)

[NEVER USED] Water Quality Test Meter TDS PH EC Temperature 4-in-1 Set Digital Tester with LCD Display Test for Swimming Pool, Aquarium

Free shipping

PC101 PH & CL2 Test 2 in 1 Electronic SPA Digital Water Quality Tester Residual Chlorine Analysis Detector Monitor (1/5)

PC101 PH & CL2 Test 2 in 1 Electronic SPA Digital Water Quality Tester Residual Chlorine Analysis Detector Monitor (2/5)

PC101 PH & CL2 Test 2 in 1 Electronic SPA Digital Water Quality Tester Residual Chlorine Analysis Detector Monitor (3/5)

PC101 PH & CL2 Test 2 in 1 Electronic SPA Digital Water Quality Tester Residual Chlorine Analysis Detector Monitor (4/5)

PC101 PH & CL2 Test 2 in 1 Electronic SPA Digital Water Quality Tester Residual Chlorine Analysis Detector Monitor

~~£35.58~~

Free shipping

Digital pH Meter, 0.00-14.00 pH Tester, High Density Accurate Water Quality Test Range, Portable Water Quality Testing Instrument for Drinking Water/Swimming Pool/Food Brewing/Indoor and Outdoor (1/5)

Digital pH Meter, 0.00-14.00 pH Tester, High Density Accurate Water Quality Test Range, Portable Water Quality Testing Instrument for Drinking Water/Swimming Pool/Food Brewing/Indoor and Outdoor

~~£28.26~~

Free shipping

Testeurs d’eau pour piscine bandelettes 50 unités 6 fonctions chlore pH alcalinité dureté acide cyanurique analyse rapide facile et précise pour eau claire et saine (1/5)

Testeurs d’eau pour piscine bandelettes 50 unités 6 fonctions chlore pH alcalinité dureté acide cyanurique analyse rapide facile et précise pour eau claire et saine

~~£20.99~~

Free shipping

LCD Digital TDS Water Quality Tester for Drinking Water, Hydroponics, Aquarium, Beach Water Analysis 0-9999 PPM (1/5)

LCD Digital TDS Water Quality Tester for Drinking Water, Hydroponics, Aquarium, Beach Water Analysis 0-9999 PPM (2/5)

LCD Digital TDS Water Quality Tester for Drinking Water, Hydroponics, Aquarium, Beach Water Analysis 0-9999 PPM (3/5)

LCD Digital TDS Water Quality Tester for Drinking Water, Hydroponics, Aquarium, Beach Water Analysis 0-9999 PPM

~~£20.99~~

Free shipping

3-in-1 Water Tester TDS/EC/PPM Backlit Display, for Aquarium, Swimming Pool, Drinking Water (1/5)

3-in-1 Water Tester TDS/EC/PPM Backlit Display, for Aquarium, Swimming Pool, Drinking Water (2/5)

3-in-1 Water Tester TDS/EC/PPM Backlit Display, for Aquarium, Swimming Pool, Drinking Water (3/5)

3-in-1 Water Tester TDS/EC/PPM Backlit Display, for Aquarium, Swimming Pool, Drinking Water

~~£20.99~~

Free shipping

Digital TDS Tester - Drinking water quality, aquarium, spa, accurate LCD screen, easy to use (1/5)

Digital TDS Tester - Drinking water quality, aquarium, spa, accurate LCD screen, easy to use (2/5)

Digital TDS Tester - Drinking water quality, aquarium, spa, accurate LCD screen, easy to use (3/5)

Digital TDS Tester - Drinking water quality, aquarium, spa, accurate LCD screen, easy to use

~~£20.99~~

Free shipping

Water Quality TDS Tester, PPM Accuracy for Drinking Water, Swimming Pool, Aquarium, with LCD Screen and Fast Measurement Function (1/5)

Water Quality TDS Tester, PPM Accuracy for Drinking Water, Swimming Pool, Aquarium, with LCD Screen and Fast Measurement Function (2/5)

Water Quality TDS Tester, PPM Accuracy for Drinking Water, Swimming Pool, Aquarium, with LCD Screen and Fast Measurement Function (3/5)

Water Quality TDS Tester, PPM Accuracy for Drinking Water, Swimming Pool, Aquarium, with LCD Screen and Fast Measurement Function

~~£21.99~~

Free shipping

TONCHEAN Online Water Quality Tester, High-Precision pH Meter, Three-in-One EC/TS Analysis Test Pen, Water Quality Test Pen, Blue (1/4)

TONCHEAN Online Water Quality Tester, High-Precision pH Meter, Three-in-One EC/TS Analysis Test Pen, Water Quality Test Pen, Blue (2/4)

TONCHEAN Online Water Quality Tester, High-Precision pH Meter, Three-in-One EC/TS Analysis Test Pen, Water Quality Test Pen, Blue (3/4)

TONCHEAN Online Water Quality Tester, High-Precision pH Meter, Three-in-One EC/TS Analysis Test Pen, Water Quality Test Pen, Blue

Battery-free TDS water quality detector, white ---DTEKGAZ

~~£29.02~~

Free shipping

Water Quality Test Meter TDS PH EC Temperature 3 in 1 Set,White (1/4)

Water Quality Test Meter TDS PH EC Temperature 3 in 1 Set,White (2/4)

Water Quality Test Meter TDS PH EC Temperature 3 in 1 Set,White (3/4)

Water Quality Test Meter TDS PH EC Temperature 3 in 1 Set,White (4/4)

2 options

Water Quality Test Meter TDS PH EC Temperature 3 in 1 Set,White

Electronic 5-in-1 PH Meter Tester, Measures pH, TDS, EC Salinity and Temperature, Water Quality Tester, LCD Display and Reading Accuracy, for Drinking Water, Aquariums, Swimming Pools, etc. (1/4)

Electronic 5-in-1 PH Meter Tester, Measures pH, TDS, EC Salinity and Temperature, Water Quality Tester, LCD Display and Reading Accuracy, for Drinking Water, Aquariums, Swimming Pools, etc.

Free shipping

pc portable water quality tester/electrolyzer/water impurity monitor/test meter/electrolyzer machine (1/5)

pc portable water quality tester/electrolyzer/water impurity monitor/test meter/electrolyzer machine (2/5)

pc portable water quality tester/electrolyzer/water impurity monitor/test meter/electrolyzer machine (3/5)

pc portable water quality tester/electrolyzer/water impurity monitor/test meter/electrolyzer machine (4/5)

pc portable water quality tester/electrolyzer/water impurity monitor/test meter/electrolyzer machine

~~£38.95~~

Free shipping

Water Quality Test Meter TDS PH EC Temperature 4-in-1 Set Digital Tester with LCD Display Test for Swimming Pool, Aquarium (1/4)

Water Quality Test Meter TDS PH EC Temperature 4-in-1 Set Digital Tester with LCD Display Test for Swimming Pool, Aquarium (2/4)

Water Quality Test Meter TDS PH EC Temperature 4-in-1 Set Digital Tester with LCD Display Test for Swimming Pool, Aquarium

Free shipping

3-in-1 Blue Electrical Conductivity Meter, TDS-EC Measuring Pen for Water Quality Analysis ---DTEKGAZ (1/3)

3-in-1 Blue Electrical Conductivity Meter, TDS-EC Measuring Pen for Water Quality Analysis ---DTEKGAZ

~~£29.51~~

Free shipping

Chlorine and pH Tester CL2 with Probe, Water Quality Analyzer for Swimming Pool, Replacement Accessories for Spa Tester pH Swimming Pool Tester CL, Electronic Swimming Pool PH and CH Tester (1/5)

Chlorine and pH Tester CL2 with Probe, Water Quality Analyzer for Swimming Pool, Replacement Accessories for Spa Tester pH Swimming Pool Tester CL, Electronic Swimming Pool PH and CH Tester

Free shipping

Battery-free TDS water quality detector (yellow)--DTEKGAZ

~~£29.03~~

Free shipping

Battery-free TDS water quality meter for analyzing minerals and impurities (1/3)

Battery-free TDS water quality meter for analyzing minerals and impurities

~~£24.98~~

Free shipping

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

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

5-in-1 pH Meter, pH/TDS/EC/Salinity/Temperature Tester, Water Quality Monitoring Tester for Pools, Hydroponics, Drinking Water, Aquariums (3/5)

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

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

Sale

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

-3%

~~£19.87~~

Free shipping

Multifunctional water quality meter measures TDS, electrical conductivity and temperature – three in one device with backlight. (1/3)

Multifunctional water quality meter measures TDS, electrical conductivity and temperature – three in one device with backlight.

~~£24.92~~

Free shipping

5-in-1 Electronic pH Meter Tester, Measures pH & TDS & EC Salinity & Temperature Water Quality Tester, LCD Screen and Reading Accuracy, for Drinking Water, Aquariums, Swimming Pools etc. (1/5)

5-in-1 Electronic pH Meter Tester, Measures pH & TDS & EC Salinity & Temperature Water Quality Tester, LCD Screen and Reading Accuracy, for Drinking Water, Aquariums, Swimming Pools etc.

~~£61.48~~

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 (1/5)

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

~~£63.56~~

5-in-1 Electronic pH Meter Tester, Measures pH & TDS & EC Salinity & Temperature Water Quality Tester, LCD Screen and Reading Accuracy, for Drinking Water, Aquariums, Swimming Pools etc.

~~£65.16~~

Water Quality Tester, Accurate EC Meter TDS Meter and Temperature Test Pen with Backlit LCD for Drinking Water, Hydroponics, Swimming Pools, Aquariums (1/5)

Water Quality Tester, Accurate EC Meter TDS Meter and Temperature Test Pen with Backlit LCD for Drinking Water, Hydroponics, Swimming Pools, Aquariums

Free shipping

Electrolysis water quality tester – iron rod and TDS measurement – quick test for tap water, filtered water or mineral water (1/4)

Electrolysis water quality tester – iron rod and TDS measurement – quick test for tap water, filtered water or mineral water (2/4)

Electrolysis water quality tester – iron rod and TDS measurement – quick test for tap water, filtered water or mineral water

~~£19.99~~

Electronic pH Meter Tester: Measures pH & EC, Salinity & Temperature Water Quality Tester LCD Screen and Accurate Readings (1/5)

Electronic pH Meter Tester: Measures pH & EC, Salinity & Temperature Water Quality Tester LCD Screen and Accurate Readings (2/5)

Electronic pH Meter Tester: Measures pH & EC, Salinity & Temperature Water Quality Tester LCD Screen and Accurate Readings (3/5)

Electronic pH Meter Tester: Measures pH & EC, Salinity & Temperature Water Quality Tester LCD Screen and Accurate Readings

~~£68.55~~

4-in-1 pH Meter, pH Tester, pH Meter with LCD Screen, High Precision Resolution 0.01, Swimming Pool pH Meter (1/4)

4-in-1 pH Meter, pH Tester, pH Meter with LCD Screen, High Precision Resolution 0.01, Swimming Pool pH Meter (2/4)

4-in-1 pH Meter, pH Tester, pH Meter with LCD Screen, High Precision Resolution 0.01, Swimming Pool pH Meter

Battery-free TDS water quality meter for analyzing minerals and impurities--DTEKGAZ (1/3)

Battery-free TDS water quality meter for analyzing minerals and impurities--DTEKGAZ

~~£30.83~~

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 (4/5)

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

~~£32.24~~

Free shipping

Testeur électronique de PH-mètre, 5 en 1 PH Testeur Thermomètre de poche Qualité de l'eau PH EC Sel TDS pour la maison, la piscine, l'eau d'aquarium (1/5)

Testeur électronique de PH-mètre, 5 en 1 PH Testeur Thermomètre de poche Qualité de l'eau PH EC Sel TDS pour la maison, la piscine, l'eau d'aquarium (2/5)

Testeur électronique de PH-mètre, 5 en 1 PH Testeur Thermomètre de poche Qualité de l'eau PH EC Sel TDS pour la maison, la piscine, l'eau d'aquarium (3/5)

Testeur électronique de PH-mètre, 5 en 1 PH Testeur Thermomètre de poche Qualité de l'eau PH EC Sel TDS pour la maison, la piscine, l'eau d'aquarium (4/5)

Testeur électronique de PH-mètre, 5 en 1 PH Testeur Thermomètre de poche Qualité de l'eau PH EC Sel TDS pour la maison, la piscine, l'eau d'aquarium

Free shipping

[NEVER USED] Water Quality Test Meter TDS PH EC Temperature 4-in-1 Set Digital Tester with LCD Display Test for Swimming Pool, Aquarium

Free shipping

ORP redox tester for aquariums, pools and water treatment – 1-point calibration, measuring range -1000 to +1000 mV, precise LCD display (1/5)

ORP redox tester for aquariums, pools and water treatment – 1-point calibration, measuring range -1000 to +1000 mV, precise LCD display (2/5)

ORP redox tester for aquariums, pools and water treatment – 1-point calibration, measuring range -1000 to +1000 mV, precise LCD display (3/5)

ORP redox tester for aquariums, pools and water treatment – 1-point calibration, measuring range -1000 to +1000 mV, precise LCD display

~~£41.19~~

5-in-1 Pool and Spa Tester: pH, salinity, temperature, ORP and TDS – precise, waterproof, with backlit LCD display (1/3)

5-in-1 Pool and Spa Tester: pH, salinity, temperature, ORP and TDS – precise, waterproof, with backlit LCD display

~~£46.59~~

2024 NEW Digital Tds Meter 4 in 1 Water Tester - Accurate and Reliable TDS EC & Temperature (°C, °F) Meter - 0-9990 ppm - Specialized Testing for Drinking Water, RO/DI Systems, Aquariums, Pools & More (1/5)

2024 NEW Digital Tds Meter 4 in 1 Water Tester - Accurate and Reliable TDS EC & Temperature (°C, °F) Meter - 0-9990 ppm - Specialized Testing for Drinking Water, RO/DI Systems, Aquariums, Pools & More

Free shipping

[NEVER USED] Swimming Pool pH Tester, 4-in-1 Electronic PH TDS Meter, Water Quality Tester, Temperature with LCD Display, Test for Drinking, Aquariums, Hydroponics, Swimming Pools (1/4)

[NEVER USED] Swimming Pool pH Tester, 4-in-1 Electronic PH TDS Meter, Water Quality Tester, Temperature with LCD Display, Test for Drinking, Aquariums, Hydroponics, Swimming Pools

5-in-1 Electronic pH Meter – Measures pH, TDS, EC, salinity, temperature – LCD backlight – 0.01 accuracy for aquariums and spas (1/5)

5-in-1 Electronic pH Meter – Measures pH, TDS, EC, salinity, temperature – LCD backlight – 0.01 accuracy for aquariums and spas (2/5)

5-in-1 Electronic pH Meter – Measures pH, TDS, EC, salinity, temperature – LCD backlight – 0.01 accuracy for aquariums and spas (3/5)

5-in-1 Electronic pH Meter – Measures pH, TDS, EC, salinity, temperature – LCD backlight – 0.01 accuracy for aquariums and spas (4/5)

5-in-1 Electronic pH Meter – Measures pH, TDS, EC, salinity, temperature – LCD backlight – 0.01 accuracy for aquariums and spas

[NEVER USED] 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)

[NEVER USED] 4-in-1 Electronic pH Meter for Swimming Pools, pH, TDS, and Temperature, with LCD Screen, for Drinking Water, Aquariums, Hydroponics, and Swimming Pools

Free shipping

[NEVER USED] 4-in-1 Electronic pH Meter for Swimming Pools, pH, TDS, and Temperature, with LCD Screen, for Drinking Water, Aquariums, Hydroponics, and Swimming Pools

Free shipping

LCD TDS-3 Meter for Drinking Water Quality Tester Digital Temperature PPM Test Measurer Pen Analyzer for Measuring Drinking Water, Hydroponics, Aquarium, Pool and Spa (1/5)

LCD TDS-3 Meter for Drinking Water Quality Tester Digital Temperature PPM Test Measurer Pen Analyzer for Measuring Drinking Water, Hydroponics, Aquarium, Pool and Spa

~~£33.58~~

Free shipping

New 3-in-1 water quality analyzer (TDS, EC, conductivity) with temperature compensation and backlight--DTEKGAZ (1/3)

New 3-in-1 water quality analyzer (TDS, EC, conductivity) with temperature compensation and backlight--DTEKGAZ

~~£31.24~~

Free shipping

pH Tester, Swimming Pool pH Tester Measures TDS pH EC Temperature Water Quality pH Tester for Drinking Water, Swimming Pool, Aquarium, Beverages, Hydroponics (1/4)

pH Tester, Swimming Pool pH Tester Measures TDS pH EC Temperature Water Quality pH Tester for Drinking Water, Swimming Pool, Aquarium, Beverages, Hydroponics

Free shipping

Digital 3-in-1 measuring device for TDS/EC/temperature in water and soil – Precise, reliable, ideal for water quality testing (ppm) – Clear LCD display (1/5)

Digital 3-in-1 measuring device for TDS/EC/temperature in water and soil – Precise, reliable, ideal for water quality testing (ppm) – Clear LCD display (2/5)

Digital 3-in-1 measuring device for TDS/EC/temperature in water and soil – Precise, reliable, ideal for water quality testing (ppm) – Clear LCD display (3/5)

Digital 3-in-1 measuring device for TDS/EC/temperature in water and soil – Precise, reliable, ideal for water quality testing (ppm) – Clear LCD display

~~£23.24~~

14-in-1 Drinking Water Test Kit - Drinking Water, Pool & Spa Test Kit for Hardness, pH, Lead, Iron, Copper, Chlorine, Fluoride & More (100 Pieces) (1/5)

14-in-1 Drinking Water Test Kit - Drinking Water, Pool & Spa Test Kit for Hardness, pH, Lead, Iron, Copper, Chlorine, Fluoride & More (100 Pieces) (2/5)

14-in-1 Drinking Water Test Kit - Drinking Water, Pool & Spa Test Kit for Hardness, pH, Lead, Iron, Copper, Chlorine, Fluoride & More (100 Pieces) (3/5)

14-in-1 Drinking Water Test Kit - Drinking Water, Pool & Spa Test Kit for Hardness, pH, Lead, Iron, Copper, Chlorine, Fluoride & More (100 Pieces) (4/5)

14-in-1 Drinking Water Test Kit - Drinking Water, Pool & Spa Test Kit for Hardness, pH, Lead, Iron, Copper, Chlorine, Fluoride & More (100 Pieces)

~~£27.86~~

8-in-1 Water Quality Tester Pen, TDS/EC/pH/Temperature/ORP/CL/Salinity Multi-Function Digital Water Test Meter,Grey (1/2)

8-in-1 Water Quality Tester Pen, TDS/EC/pH/Temperature/ORP/CL/Salinity Multi-Function Digital Water Test Meter,Grey

Free shipping

New 3-in-1 water quality analyzer (TDS, EC, conductivity) with temperature compensation and backlight (1/3)

New 3-in-1 water quality analyzer (TDS, EC, conductivity) with temperature compensation and backlight

~~£25.39~~

Free shipping

LCD Digital pH Meter Water Quality Tester 0-14 pH, Automatic Calibration, Ideal for Swimming Pools and Aquariums (1/5)

LCD Digital pH Meter Water Quality Tester 0-14 pH, Automatic Calibration, Ideal for Swimming Pools and Aquariums (2/5)

LCD Digital pH Meter Water Quality Tester 0-14 pH, Automatic Calibration, Ideal for Swimming Pools and Aquariums (3/5)

LCD Digital pH Meter Water Quality Tester 0-14 pH, Automatic Calibration, Ideal for Swimming Pools and Aquariums

~~£23.99~~

Free shipping

Digital pH Meter TDS Meter Water Quality Tester LCD Screen Pen-Pen Tester with Two Keys for Drinking Water, Swimming Pool, Tank (1/5)

Digital pH Meter TDS Meter Water Quality Tester LCD Screen Pen-Pen Tester with Two Keys for Drinking Water, Swimming Pool, Tank (2/5)

Digital pH Meter TDS Meter Water Quality Tester LCD Screen Pen-Pen Tester with Two Keys for Drinking Water, Swimming Pool, Tank (3/5)

Digital pH Meter TDS Meter Water Quality Tester LCD Screen Pen-Pen Tester with Two Keys for Drinking Water, Swimming Pool, Tank

~~£24.99~~

Free shipping

LCD Screen TDS EC Meter Digital TDS Tester 3 in 1 for Water Quality EC, Conductivity and Temperature Test Pen for Drinking Water Purity Measurement in Pools and Labs (1/5)

LCD Screen TDS EC Meter Digital TDS Tester 3 in 1 for Water Quality EC, Conductivity and Temperature Test Pen for Drinking Water Purity Measurement in Pools and Labs

~~£24.99~~

Free shipping

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Pool sensors and probes