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Best Selling Products

Our Best Selling Products category features the most popular and trusted water testing solutions chosen by professionals and everyday users alike. From quick and easy test kits to advanced meters and reagents, these products have earned their place as customer favourites for their reliability, accuracy, and ease of use. Whether you’re testing pool water, drinking water, or industrial systems, these top picks deliver the dependable results you can count on.

4195 products

Milwaukee MW106 MAX Waterproof pH/ORP/Temp Logging Portable Meter

Milwaukee MW106 MAX Waterproof pH/ORP/Temp Logging Portable Meter

Milwaukee MW106 MAX Waterproof pH/ORP/Temp Logging Portable Meter

£535.75

Milwaukee MA9069 5000 uS/cm Conductivity Solution

Milwaukee MA9069 5000 uS/cm Conductivity Solution

£16.44

Milwaukee MI509-100 Reagents for pH Photometer

Milwaukee MI509-100 Reagents for pH Photometer

£29.13

Milwaukee MA921B/2 Lab Grade Double Junction ORP Platinum Probe with Extended Cable

Milwaukee MA921B/2 Lab Grade Double Junction ORP Platinum Probe with Extended Cable

Milwaukee MA921B/2 Lab Grade Double Junction ORP Platinum Probe with Extended Cable

£106.44

Milwaukee SE600 Lab Grade Combo pH / EC / TDS Probe

Milwaukee SE600 Lab Grade Combo pH / EC / TDS Probe

Milwaukee SE600 Lab Grade Combo pH / EC / TDS Probe

£149.44

$Milwaukee MA886 Digital Refractometer to Determine Sodium Chloride in Food$ $Milwaukee MA886 Digital Refractometer to Determine Sodium Chloride in Food$

Milwaukee MA886 Digital Refractometer to Determine Sodium Chloride in Food

£235.56

Milwaukee MA9315 Spare Electrode Holder for Milwaukee Bench Meters

Milwaukee MA9315 Spare Electrode Holder for Milwaukee Bench Meters

Milwaukee MA9315 Spare Electrode Holder for Milwaukee Bench Meters

£58.31

Milwaukee MC745 PRO Conductivity (EC) Controller and Pump Kits

Milwaukee MC745 PRO Conductivity (EC) Controller and Pump Kits

Milwaukee MC745 PRO Conductivity (EC) Controller and Pump Kits

£551.63

Milwaukee MI60P Replacement Electrode for MW803 and MW804 4-in-1 pH/Conductivity/TDS/Temperature Testers

Milwaukee MI60P Replacement Electrode for MW803 and MW804 4-in-1 pH/Conductivity/TDS/Temperature Testers

Milwaukee MI60P Replacement Electrode for MW803 and MW804 4-in-1 pH/Conductivity/TDS/Temperature Testers

£126.69

Milwaukee MA9066 100% NaCl Conductivity Solution

Milwaukee MA9066 100% NaCl Conductivity Solution

£17.75

Milwaukee MW306 MAX EC/TDS/NaCl/Temp Logging Portable Meter

Milwaukee MW306 MAX EC/TDS/NaCl/Temp Logging Portable Meter

Milwaukee MW306 MAX EC/TDS/NaCl/Temp Logging Portable Meter

£704.25

Milwaukee MA831R Stainless Steel Temperature Replacement Probe

Milwaukee MA831R Stainless Steel Temperature Replacement Probe

£93.75

Milwaukee MW150 MAX pH/ORP/Temp Bench Meter

Milwaukee MW150 MAX pH/ORP/Temp Bench Meter

Milwaukee MW150 MAX pH/ORP/Temp Bench Meter

£458.56

Milwaukee MA906BR/1 Amplified pH/Temp Replacement electrode

Milwaukee MA906BR/1 Amplified pH/Temp Replacement electrode

Milwaukee MA906BR/1 Amplified pH/Temp Replacement electrode

£198.88

Hanna Instruments 100 Free Chlorine Tests Expiry Date 04/25

Hanna Instruments 100 Free Chlorine Tests Expiry Date 04/25

Hanna Instruments

Hanna Instruments 100 Free Chlorine Tests Expiry Date 04/25

£10.00

Save £35.88

Lovibond Nitrite Low Range (LR) Test Reagents (Expire Date 07.25)

Lovibond Nitrite Low Range (LR) Test Reagents (Expire Date 07.25)

Lovibond Nitrite Low Range (LR) Test Reagents (Expire Date 07.25)

£5.00

£40.88

Save £94.96

Lovibond MD150 Chlorine, Chlorine HR (potassium iodide), Chlorine dioxide

Lovibond MD150 Chlorine, Chlorine HR (potassium iodide), Chlorine dioxide

Lovibond MD150 Chlorine, Chlorine HR (potassium iodide), Chlorine dioxide

£635.50

£730.46

Milwaukee MA73600 Replacement Electrode for PH51 & PH54 Testers

Milwaukee MA73600 Replacement Electrode for PH51 & PH54 Testers

£38.00

Milwaukee MC125 PRO 2-in-1 Digital pH / ORP Controller

Milwaukee MC125 PRO 2-in-1 Digital pH / ORP Controller

Milwaukee MC125 PRO 2-in-1 Digital pH / ORP Controller

£320.44

Milwaukee MA9062 1382 ppm TDS Conductivity Solution Bottle

Milwaukee MA9062 1382 ppm TDS Conductivity Solution Bottle

£16.44

Milwaukee MW700 PRO Lux (Light) Meter

Milwaukee MW700 PRO Lux (Light) Meter

Milwaukee MW700 PRO Lux (Light) Meter

£157.06

Milwaukee M10030B 12880 µS/cm Conductivity Calibration Solution Sachets (25)

Milwaukee M10030B 12880 µS/cm Conductivity Calibration Solution Sachets (25)

£34.19

Milwaukee M10442 1500 ppm TDS Solution Sachets (25)

Milwaukee M10442 1500 ppm TDS Solution Sachets (25)

£34.19

Milwaukee M10032B 1382 ppm TDS Calibration Solution Sachets (25)

Milwaukee M10032B 1382 ppm TDS Calibration Solution Sachets (25)

£34.19

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