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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4196 products

DPD No 3 Chlorine Photometer TabletsDPD No 3 Chlorine Photometer Tablets
Trace2o
DPD No 3 Chlorine Photometer Tablets Sale priceFrom £6.42
Save £2.83
Lovibond DPD Indicator Powder - Free and Total Chlorine
Lovibond
Lovibond DPD Indicator Powder - Free and Total Chlorine Sale price£18.95 Regular price£21.78
DTK-TAW
DPD Free Chlorine Pillows, 10ml Sample Sale price£32.94
Save £12.44
Lovibond DEHA ReagentsLovibond DEHA Reagents
Lovibond
Lovibond DEHA Reagents Sale price£83.24 Regular price£95.68
CRP Reagent (Phosphate Low Range) 65ml
DTK-TAW
CRP Reagent (Phosphate Low Range) 65ml Sale price£9.39
Cultura 18 Slide Incubator [Direct Mains]
DTK-TAW
Cultura 18 Slide Incubator [Direct Mains] Sale price£490.40
Lovibond
Cyanuric Acid Tube Assembly Sale price£29.63 Regular price£34.06
Trace2o
Complete Membrane Filtration Unit Sale price£157.59
Trace2o
Combined Consumables Pack for Ni Trace2o Sale priceFrom £94.76
Trace2o
Combined Consumables Pack for Mn Trace2o Sale priceFrom £94.76
Trace2o
Combined Consumables Pack for Hg Trace2o Sale priceFrom £94.76
Combined Consumables Pack for Cd, Pb, Cu, Zn (x200) Trace2o
Trace2o
Combined Consumables Pack for Cd, Pb, Cu, Zn (x200) Trace2o Sale price£509.01
Closed Water Systems Test Kit
DTK-TAW
Closed Water Systems Test Kit Sale price£631.56
Trace2o
Combined Consumables Pack for As Trace2o Sale priceFrom £94.76
Save £1.79
WaterWorks™ Free & Total Chlorine Eco PacksWaterWorks™ Free & Total Chlorine Eco Packs
ITS
WaterWorks™ Free & Total Chlorine Eco Packs Sale price£21.00 Regular price£22.79
Lovibond
Lovibond COD MR/150 Tube Test 100-1500mg/l Sale price£311.72 Regular price£358.30
Lovibond
Lovibond Chromium Hexavalent, 100 Tests Sale price£34.33 Regular price£39.46
Trace2o
Chloride Trace2o Sale price£69.61
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Free Chlorine Check Ultra High - bottle of 50Free Chlorine Check Ultra High - bottle of 50
ITS
Free Chlorine Check Ultra High - bottle of 50 Sale price£11.05
ITS
Chlorine Check- Free, bottle of 50 Sale price£13.46
vendor-unknown
Certificate of Calibration - Disc Sale price£90.55
Chloride LR & HR Drop Test Kit (Range 0-12000ppm)
DTK-TAW
Chloride LR & HR Drop Test Kit (Range 0-12000ppm) Sale price£98.29
Merck
Bromohexane Sale price£30.89
Canadian Honey Disc 8-114Canadian Honey Disc 8-114
Lovibond
Canadian Honey Disc 8-114 Sale price£277.88

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