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

Milwaukee MA888 Digital Ethylene Glycol RefractometerMilwaukee MA888 Digital Ethylene Glycol Refractometer
Milwaukee
Milwaukee MA888 Digital Ethylene Glycol Refractometer Sale price£235.56
PoolLab Chlorine HR Powder Pack
WATER-I.D.
PoolLab Chlorine HR Powder Pack Sale priceFrom £15.83
Save £273.00
Palintest Turbidity Expert Kit
Palintest
Palintest Turbidity Expert Kit Sale price£1,547.00 Regular price£1,820.00
Hydrosense ONE Ultra Legionella Water TestHydrosense ONE Ultra Legionella Water Test
Hydrosense
Hydrosense ONE Ultra Legionella Water Test Sale price£66.65
Save £0.89
Palintest Pooltester Refil Pack 50BPalintest Pooltester Refil Pack 50B
Palintest
Palintest Pooltester Refil Pack 50B Sale price£8.01 Regular price£8.90
Lovibond Hydrogen Peroxide Buffer HP1 15 - 500 mg/L H2O2
Lovibond
Lovibond Hydrogen Peroxide Buffer HP1 15 - 500 mg/L H2O2 Sale price£14.75
Save £33.75
Lovibond Sewage / Effluent Test KitLovibond Sewage / Effluent Test Kit
Lovibond
Lovibond Sewage / Effluent Test Kit Sale price£225.84 Regular price£259.59
Eutech 1413 µS/cm KCl Calibration Solution (500ml)
Eutech
Eutech 1413 µS/cm KCl Calibration Solution (500ml) Sale price£17.55
Save £2.64
Palintest Water Test Strips (3 Way Test Strips)Palintest Water Test Strips (3 Way Test Strips)
Palintest
Palintest Water Test Strips (3 Way Test Strips) Sale price£14.96 Regular price£17.60
Save £0.67
Hanna Instruments HI-761-25 Reagents for HI-761 Total Chlorine Low Range Checker
Hanna Instruments
Hanna Instruments HI-761-25 Reagents for HI-761 Total Chlorine Low Range Checker Sale price£12.73 Regular price£13.40
Save £0.64
Hanna Instruments-HI-711-25 Reagents For HI-711 Total Chlorine Checker
Hanna Instruments
Hanna Instruments-HI-711-25 Reagents For HI-711 Total Chlorine Checker Sale price£12.16 Regular price£12.80
Idexx Quanti-Tray 97 Well/2000 (100 pack)
IDEXX
Idexx Quanti-Tray 97 Well/2000 (100 pack) Sale price£725.00
LaMotte Insta-Test Nitrate Test Strips
LaMotte
LaMotte Insta-Test Nitrate Test Strips Sale price£13.11
Save £10.14
Lovibond Reference Standard Kit Chlorine - 1.0 and 4.0 mg/l (MD600/PM600 series)
Lovibond
Lovibond Reference Standard Kit Chlorine - 1.0 and 4.0 mg/l (MD600/PM600 series) Sale price£67.86 Regular price£78.00
Easy Dip 3 in 1 Test Strips for Chlorine Bromine/pH/AlkalinityEasy Dip 3 in 1 Test Strips for Chlorine Bromine/pH/Alkalinity
WATER-I.D.
Easy Dip 3 in 1 Test Strips for Chlorine Bromine/pH/Alkalinity Sale price£4.99
Save £16.52
Lovibond Turbidity TubeLovibond Turbidity Tube
Lovibond
Lovibond Turbidity Tube Sale price£110.52 Regular price£127.04
On sale
Lovibond Bromocresol Purple Photometer TabletsLovibond Bromocresol Purple Photometer Tablets
Lovibond
Lovibond Bromocresol Purple Photometer Tablets Sale priceFrom £11.56 Regular price£13.29
Testallwater Lovibond Multipack : DPD No 1 Rapid/DPD No 3 Rapid/Phenol Red Rapid
Lovibond
Testallwater Lovibond Multipack : DPD No 1 Rapid/DPD No 3 Rapid/Phenol Red Rapid Sale price£47.57
Save £369.75
Palintest Turbidity Expert & Lumiso Chlorine Combined Kit
Palintest
Palintest Turbidity Expert & Lumiso Chlorine Combined Kit Sale price£2,095.25 Regular price£2,465.00
Save £12.76
Palintest Chlorine Comparator (0-1mg/l)Palintest Chlorine Comparator (0-1mg/l)
Palintest
Palintest Chlorine Comparator (0-1mg/l) Sale price£72.34 Regular price£85.10
Save £3.04
Palintest/Wagtech Petri Dishes Aluminium, Pack of 25Palintest/Wagtech Petri Dishes Aluminium, Pack of 25
Palintest
Palintest/Wagtech Petri Dishes Aluminium, Pack of 25 Sale price£17.26 Regular price£20.30
Save £2.75
Palintest Contour ComparatorPalintest Contour Comparator
Palintest
Palintest Contour Comparator Sale price£24.75 Regular price£27.50
Sold outSave £8.42
Palintest Contour Comparator Kit Manganese Manganese, 0 - 0.03 mg/L MnPalintest Contour Comparator Kit Manganese Manganese, 0 - 0.03 mg/L Mn
Palintest
Palintest Contour Comparator Kit Manganese Manganese, 0 - 0.03 mg/L Mn Sale price£75.78 Regular price£84.20
Save £7.17
Palintest Contour Comparator Disc BrominePalintest Contour Comparator Disc Bromine
Palintest
Palintest Contour Comparator Disc Bromine Sale price£40.63 Regular price£47.80

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