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

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Hanna Instruments-3896 Professional Agriculture test kit
Hanna Instruments
Hanna Instruments-3896 Professional Agriculture test kit Sale price£85.69 Regular price£90.20
Eutech™ Elite pH Pocket TesterEutech™ Elite pH Pocket Tester
Eutech
Eutech™ Elite pH Pocket Tester Sale price£137.97
Chlorine Total Test Paper Strips [0-200ppm] (100Pk)
DTK-TAW
Chlorine Total Test Paper Strips [0-200ppm] (100Pk) Sale price£14.54
Test All Water CC2 - Chloride LR TitrantTest All Water CC2 - Chloride LR Titrant
DTK-TAW
Test All Water CC2 - Chloride LR Titrant Sale priceFrom £16.58
DTK NRB Tube TestsDTK NRB Tube Tests
DTK-TAW
DTK NRB Tube Tests Sale price£40.37
AquaSPArkle - Ezy-FloatAquaSPArkle - Ezy-Float
Aquasparkle
AquaSPArkle - Ezy-Float Sale price£4.28
Alkalinity-M Photometer Tablets Trace2o
Trace2o
Alkalinity-M Photometer Tablets Trace2o Sale price£26.12
Save £0.64
1ml Plastic Syringe
Palintest
1ml Plastic Syringe Sale price£5.76 Regular price£6.40
HACH Free and total chlorine test strips, 0 - 10 mg/L, 50 tests
HACH
HACH Free and total chlorine test strips, 0 - 10 mg/L, 50 tests Sale price£33.00
LaMotte WaterLink Spin Touch FX Aquarium and PondLaMotte WaterLink Spin Touch FX Aquarium and Pond
LaMotte
LaMotte WaterLink Spin Touch FX Aquarium and Pond Sale priceFrom £312.00
Water ID / Rapid Dpd No 1 & pH Rapid Bundle 50 pack
WATER-I.D.
Water ID / Rapid Dpd No 1 & pH Rapid Bundle 50 pack Sale price£8.00
Save £6.88
Palintest Plastic Test Tubes Suitable for Lumsio, 3,4,6, Expert Photometers
Palintest
Palintest Plastic Test Tubes Suitable for Lumsio, 3,4,6, Expert Photometers Sale price£39.02 Regular price£45.90
Save £44.10
Palintest Permanganate Value
Palintest
Palintest Permanganate Value Sale price£249.90 Regular price£294.00
IDEXX-QC Coliform and E. coli
IDEXX
IDEXX-QC Coliform and E. coli Sale price£262.00
Save £23.25
Palintest Kemio Chlorine Dioxide Starter PackPalintest Kemio Chlorine Dioxide Starter Pack
Palintest
Palintest Kemio Chlorine Dioxide Starter Pack Sale price£131.75 Regular price£155.00
HACH Test Strips For Chloride High Range 300-6000 ppm Pack of 40
Hach
HACH Test Strips For Chloride High Range 300-6000 ppm Pack of 40 Sale price£46.35
Hydrosense PRO Ultra Legionella Water Test- Single UseHydrosense PRO Ultra Legionella Water Test- Single Use
Hydrosense
Hydrosense PRO Ultra Legionella Water Test- Single Use Sale price£72.67
IDEXX 120ml Vessels shrink banded with Sodium Thiosulphate (200 pack)
IDEXX
IDEXX 120ml Vessels shrink banded with Sodium Thiosulphate (200 pack) Sale price£305.00
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)
NEOGEN
Colitag™ Water Test System for Total Coliforms and E. coli in 100ml water sample (100 pack Size) Sale priceFrom £91.13
LaMotte Insta-Test 6LaMotte Insta-Test 6
LaMotte
LaMotte Insta-Test 6 Sale price£9.60
Oakton Waterproof PCSTestr 35
Test All Water
Oakton Waterproof PCSTestr 35 Sale price£191.43
Safe Swim Meter Reagent DPD-4 Total Bromine
ITS
Safe Swim Meter Reagent DPD-4 Total Bromine Sale price£12.89
PoolLab Sulphate Photometer Power PillowsPoolLab Sulphate Photometer Power Pillows
WATER-I.D.
PoolLab Sulphate Photometer Power Pillows Sale price£18.30
PoolLab 2.0 Phosphate HR No.1 Photometer Powder PillowsPoolLab 2.0 Phosphate HR No.1 Photometer Powder Pillows
WATER-I.D.
PoolLab 2.0 Phosphate HR No.1 Photometer Powder Pillows Sale priceFrom £17.25

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