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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4195 products

Test All Water Trichlor Stabilized Small Chlorine Tablets (20g)Test All Water Trichlor Stabilized Small Chlorine Tablets (20g)
TEST ALL WATER
Test All Water Trichlor Stabilized Small Chlorine Tablets (20g) Sale priceFrom £13.25
Thermo Scientific Eutech™ Elite pH and CTS Pocket TesterThermo Scientific Eutech™ Elite pH and CTS Pocket Tester
Eutech
Thermo Scientific Eutech™ Elite pH and CTS Pocket Tester Sale price£168.48
Spa 20g Chlorine TabletsSpa 20g Chlorine Tablets
TEST ALL WATER
Spa 20g Chlorine Tablets Sale price£9.16
Lamotte Instatest Peracetic Acid Test Strips 0-160Lamotte Instatest Peracetic Acid Test Strips 0-160
Lamotte
Lamotte Instatest Peracetic Acid Test Strips 0-160 Sale price£17.47
Save £1,080.00
Palintest Potatech+Palintest Potatech+
Palintest
Palintest Potatech+ Sale price£6,120.00 Regular price£7,200.00
Save £16.95
Palintest Colour / Turbidity - For Photometer (50 Tablets)
Palintest
Palintest Colour / Turbidity - For Photometer (50 Tablets) Sale price£96.05 Regular price£113.00
Nitrate/Nitrite Test Strips 80/500Nitrate/Nitrite Test Strips 80/500
Johnson Analytica
Nitrate/Nitrite Test Strips 80/500 Sale price£9.38
Save £5.30
Lovibond® Photometer Sample Cell, Round Glass, 16mm Diameter, 96mm Height, with Lid (pack of 10)
Lovibond
Lovibond® Photometer Sample Cell, Round Glass, 16mm Diameter, 96mm Height, with Lid (pack of 10) Sale price£35.44 Regular price£40.74
Save £137.12
Lovibond Turbidity TB211-IR MeterLovibond Turbidity TB211-IR Meter
Lovibond
Lovibond Turbidity TB211-IR Meter Sale price£917.63 Regular price£1,054.75
Save £14.43
Lovibond Vario Manganese LR 10ml SetLovibond Vario Manganese LR 10ml Set
Lovibond
Lovibond Vario Manganese LR 10ml Set Sale price£96.55 Regular price£110.98
Lovibond TDS Solution 1000ppm
Lovibond
Lovibond TDS Solution 1000ppm Sale price£29.76
Save £1.86
Lovibond TDS Solution 1000ppm
Lovibond
Lovibond TDS Solution 1000ppm Sale price£12.43 Regular price£14.29
Save £19.31
Lovibond SD300 & SD305 Replacement pH Electrode + Temperature Sensor
Lovibond
Lovibond SD300 & SD305 Replacement pH Electrode + Temperature Sensor Sale price£129.21 Regular price£148.52
Sold out
Lovibond SD70 Con Hand-Held Meter (replaced with SD30 code 720030)
Lovibond
Lovibond SD70 Con Hand-Held Meter (replaced with SD30 code 720030) Sale price£119.36
Lovibond Redox 470mV Calibration Solution
Lovibond
Lovibond Redox 470mV Calibration Solution Sale price£24.08
Sold out
Lovibond SD300 pH Meter Set-1 (Discontinued replaced with 724640)Lovibond SD300 pH Meter Set-1 (Discontinued replaced with 724640)
Lovibond
Lovibond SD300 pH Meter Set-1 (Discontinued replaced with 724640) Sale price£970.20
Save £2.77
Lovibond Chlorine pH LR PooltesterLovibond Chlorine pH LR Pooltester
Lovibond
Lovibond Chlorine pH LR Pooltester Sale price£18.55 Regular price£21.32
Save £9.47
Lovibond Checkit Comparator Kit Chlorine (Free & Total)Lovibond Checkit Comparator Kit Chlorine (Free & Total)
Lovibond
Lovibond Checkit Comparator Kit Chlorine (Free & Total) Sale price£63.41 Regular price£72.88
Lovibond Checkit Comparator Kit AluminiumLovibond Checkit Comparator Kit Aluminium
Lovibond
Lovibond Checkit Comparator Kit Aluminium Sale price£67.23
Save £5.14
Lovibond Ammonia No.2 TabletsLovibond Ammonia No.2 Tablets
Lovibond
Lovibond Ammonia No.2 Tablets Sale price£34.37 Regular price£39.51
Save £5.14
Lovibond Ammonia No.1 ReagentsLovibond Ammonia No.1 Reagents
Lovibond
Lovibond Ammonia No.1 Reagents Sale price£34.37 Regular price£39.51
HydroLite® HL102 meter for EC / TDS /Salinity Trace2o
Trace2o
HydroLite® HL102 meter for EC / TDS /Salinity Trace2o Sale price£115.00
Eutech pH 4 Buffer Solution - 480mlEutech pH 4 Buffer Solution - 480ml
Eutech
Eutech pH 4 Buffer Solution - 480ml Sale price£17.64
CDO2A - Chlorine Dioxide VLR TitrantCDO2A - Chlorine Dioxide VLR Titrant
DTK-TAW
CDO2A - Chlorine Dioxide VLR Titrant Sale price£12.68

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