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.

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6009 products

LaMotte Test Tube BrushLaMotte Test Tube Brush
La Motte Peracetic Acid Test Strips - Low Range 0-50La Motte Peracetic Acid Test Strips - Low Range 0-50
Test All Water Calcium Hardness Plus - Calcium ChlorideTest All Water Calcium Hardness Plus - Calcium Chloride
Save £4.51
Hanna Instruments-771 Chlorine Ultra High Range Handheld Colorimeter, Checker®HCHanna Instruments-771 Chlorine Ultra High Range Handheld Colorimeter, Checker®HC
Save £4.14
Hanna Instruments HI-98302 Pocket TDS Tester (0.00 to 10.00ppt)Hanna Instruments HI-98302 Pocket TDS Tester (0.00 to 10.00ppt)
Eutech pH 10.01  Buffer Solution - 480mlEutech pH 10.01  Buffer Solution - 480ml
Chlorine Total Test Strips [0-10ppm] (50Pk)Chlorine Total Test Strips [0-10ppm] (50Pk)
Chlorine Total, Low Range Test Strips - Range 0-10
Chlorine Free Test Strips [Range 0 - 300ppm] (50Pk)Chlorine Free Test Strips [Range 0 - 300ppm] (50Pk)
On sale
Lovibond Alka-P Photometer TabletsLovibond Alka-P Photometer Tablets
Lovibond
Lovibond Alka-P Photometer Tablets Sale priceFrom £26.14 Regular price£30.05
Milwaukee MA888 Digital Ethylene Glycol RefractometerMilwaukee MA888 Digital Ethylene Glycol Refractometer
Colitag™ Water Test System for Total Coliforms and E. coli in 100ml water sample (100 pack Size)Colitag™ Water Test System for Total Coliforms and E. coli in 100ml water sample (100 pack Size)
Ice Bath / Cold Plunge Microbiological SamplingIce Bath / Cold Plunge Microbiological Sampling
Save £3.27
Palintest pH 4 Buffer Solution - 500ml
Palintest
Palintest pH 4 Buffer Solution - 500ml Sale price£18.53 Regular price£21.80
PoolLab Hydrogen Peroxide LR Photometer TabletsPoolLab Hydrogen Peroxide LR Photometer Tablets
Palintest Hazardous COD Waste Collection
Lovibond Hydrogen Peroxide Buffer HP1 	15 - 500 mg/L H2O2
Test All Water 6 In 1 Hot Tub Test stripsTest All Water 6 In 1 Hot Tub Test strips
LaMotte Insta-Test Sodium Chloride (Salt) Test Strips
On sale
Palintest COD/1000 0-1000 mg/L O2 TubetestsPalintest COD/1000 0-1000 mg/L O2 Tubetests
Palintest
Palintest COD/1000 0-1000 mg/L O2 Tubetests Sale priceFrom £72.00 Regular price£84.70
On sale
Palintest Kemio Sensors for Peracetic Acid (Low Range)Palintest Kemio Sensors for Peracetic Acid (Low Range)
Palintest
Palintest Kemio Sensors for Peracetic Acid (Low Range) Sale priceFrom £143.65 Regular price£169.00
Easy Dip 3 in 1 Test Strips for Chlorine Bromine/pH/AlkalinityEasy Dip 3 in 1 Test Strips for Chlorine Bromine/pH/Alkalinity
Save £16.52
Lovibond Turbidity TubeLovibond Turbidity Tube
Lovibond
Lovibond Turbidity Tube Sale price£110.52 Regular price£127.04
Save £3.75
Hanna Instruments HI-7754 Alkalinity Checker