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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6008 products

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Lovibond Hardness Low Range BW TabletsLovibond Hardness Low Range BW Tablets
Lovibond
Lovibond Hardness Low Range BW Tablets Sale priceFrom £21.79 Regular price£25.05
Save £4.51
Hanna Instruments-733 Ammonia High Range Handheld Colorimeter (0.0-99.9ppm) Checker®HCHanna Instruments-733 Ammonia High Range Handheld Colorimeter (0.0-99.9ppm) Checker®HC
Hanna Instruments
Hanna Instruments-733 Ammonia High Range Handheld Colorimeter (0.0-99.9ppm) Checker®HC Sale price£85.69 Regular price£90.20
Save £3.75
Hanna Instruments-700 Ammonia Low Range Colorimeter - Checker HC (0.00 to 3.00ppm)Hanna Instruments-700 Ammonia Low Range Colorimeter - Checker HC (0.00 to 3.00ppm)
Hanna Instruments
Hanna Instruments-700 Ammonia Low Range Colorimeter - Checker HC (0.00 to 3.00ppm) Sale price£71.35 Regular price£75.10
Save £4.51
Hanna Instruments-3896 Professional Agriculture test kit
Hanna Instruments
Hanna Instruments-3896 Professional Agriculture test kit Sale price£85.69 Regular price£90.20
Save £3.58
Lovibond Copper No.2 Test TabletsLovibond Copper No.2 Test Tablets
Lovibond
Lovibond Copper No.2 Test Tablets Sale price£23.96 Regular price£27.54
Chlorine Total Test Paper Strips [0-200ppm] (100Pk)
DTK-TAW
Chlorine Total Test Paper Strips [0-200ppm] (100Pk) Sale price£14.54
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
Hanna Instruments HI-731315 Spare glass cuvettes complete with caps x 2 for Checkers
Hanna Instruments
Hanna Instruments HI-731315 Spare glass cuvettes complete with caps x 2 for Checkers Sale price£10.07
HTH Calcicol Calcium Hardness ReagentsHTH Calcicol Calcium Hardness Reagents
HtH
HTH Calcicol Calcium Hardness Reagents Sale price£35.28
Milwaukee PH-START Starter Solution Kit for pH Meters and Testers
Milwaukee
Milwaukee PH-START Starter Solution Kit for pH Meters and Testers Sale price£65.81
Milwaukee MA9016 Cleaning Solution for pH / ORP Electrodes
Milwaukee
Milwaukee MA9016 Cleaning Solution for pH / ORP Electrodes Sale price£16.44
DR300 Pocket Colorimeter, Chlorine, Free + Total, LR/HR, with BoxDR300 Pocket Colorimeter, Chlorine, Free + Total, LR/HR, with Box
Hach
DR300 Pocket Colorimeter, Chlorine, Free + Total, LR/HR, with Box Sale price£800.00
Water-I.D DPD No.3 Rapid Tablets
WATER-I.D.
Water-I.D DPD No.3 Rapid Tablets Sale priceFrom £5.95
Test All Water Acidifying SE Tablets
DTK-TAW
Test All Water Acidifying SE Tablets Sale priceFrom £27.00
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
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IDEXX
IDEXX Labels Sale price£62.50
IDEXX-QC Coliform and E. coli
IDEXX
IDEXX-QC Coliform and E. coli Sale price£262.00
IDEXX SimPlate for HPCIDEXX SimPlate for HPC
IDEXX
IDEXX SimPlate for HPC Sale priceFrom £97.00
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 Industrial KitHydrosense PRO Ultra Legionella Industrial Kit
Hydrosense
Hydrosense PRO Ultra Legionella Industrial Kit Sale price£355.82
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
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

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