
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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4003 products
Palintest
Palintest Contour Comparator Kit Chlorine High Range
Sale price£91.71
Regular price£101.90
DTK-TAW
PA2/TA2 - Alkalinity HR Titrant
Sale priceFrom £8.50
Pro Swim Chemicals
Pro-Swim Non-Chlorine Shock
Sale priceFrom £16.74
Lovibond
Lovibond Pool Control PM630 Photometer
Sale price£771.16
Regular price£918.74
Lovibond
Lovibond Chlorine DPD Checkit Disc 0-4mg/l
Sale price£25.18
Lovibond
Lovibond COD Vials Mercury Free 0-15000mg/l
Sale price£53.07
Regular price£58.71
ITS
Safe Swim Meter Reagent pH
Sale price£10.19
Palintest
Palintest Chlorine (Free & Total) Pocket Kit
Sale price£37.71
Regular price£41.90
WATER-I.D
Water-I.D: DPD No.4 Photometer Tablets
Sale priceFrom £6.71
DTK-TAW
TA4 - pH 4.5 Indicator 65ml
Sale price£7.12
Palintest
Palintest/Wagtech Membrane Lauryl Sulfate Broth, 38.1g
Sale price£29.43
Regular price£32.70
Palintest
Palintest Contour Comparator Disc (Free & Total Chlorine)
Sale price£32.58
Regular price£36.20
Lovibond
Lovibond Ammonia No 1 & Ammonia No 2 Pack (250)
Sale price£66.59
Testallwater
Stabilised Chlorine Granules
Sale priceFrom £6.89
Palintest
Palintest pH 10 Buffer Solution - 500ml
Sale price£18.63
Regular price£20.70
Palintest
Palintest Kemio Sensors for Peracetic Acid (PAA)
Sale priceFrom £144.99
Regular price£161.10
Palintest
Palintest Hydrogen Peroxide (LR)
Sale priceFrom £25.74
Regular price£28.60
Palintest
Palintest Chemical Oxygen Demand (COD) Tubetests. 50 - 2000 mg/L O2
Sale priceFrom £61.92
Regular price£68.80
Lovibond
Lovibond Vario Chlorine Total DPD 10ml
Sale price£27.44
Regular price£30.18
Lovibond
Lovibond Comparator 2000+ chlorine Disc 0.5 - 6.0 mg/l
Sale price£131.84
Lovibond
Lovibond Alkalinity Tablet Count Foil - 100 tablets
Sale price£19.80
Lamotte
LaMotte Insta Test Chlorine Dioxide 0- 500 Test Strips
Sale price£18.77
Lovibond
Lovibond DPD No. 3 Evo Tablets
Sale priceFrom £12.67
Regular price£13.75
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