Best Selling Products

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

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Palintest Contour Comparator Kit Chlorine High RangePalintest Contour Comparator Kit Chlorine High Range
Palintest Turbimeter Plus Kit, Hard Case (Discontinued, Replaced with LTH090)Palintest Turbimeter Plus Kit, Hard Case (Discontinued, Replaced with LTH090)
PA2/TA2 - Alkalinity HR TitrantPA2/TA2 - Alkalinity HR Titrant
Pro-Swim Non-Chlorine ShockPro-Swim Non-Chlorine Shock
Save £147.58
Lovibond Pool Control PM630 PhotometerLovibond Pool Control PM630 Photometer
Lovibond
Lovibond Pool Control PM630 Photometer Sale price£771.16 Regular price£918.74
Lovibond Chlorine DPD Checkit Disc 0-4mg/lLovibond Chlorine DPD Checkit Disc 0-4mg/l
Save £5.64
Lovibond COD Vials Mercury Free 0-15000mg/lLovibond COD Vials Mercury Free 0-15000mg/l
Lovibond
Lovibond COD Vials Mercury Free 0-15000mg/l Sale price£53.07 Regular price£58.71
Safe Swim Meter Reagent pH
Save £4.19
Palintest Chlorine (Free & Total) Pocket KitPalintest Chlorine (Free & Total) Pocket Kit
Palintest
Palintest Chlorine (Free & Total) Pocket Kit Sale price£37.71 Regular price£41.90
Water-I.D: DPD No.4 Photometer TabletsWater-I.D: DPD No.4 Photometer Tablets
TA4 - pH 4.5 Indicator 65mlTA4 - pH 4.5 Indicator 65ml
Save £3.27
Palintest/Wagtech Membrane Lauryl Sulfate Broth, 38.1gPalintest/Wagtech Membrane Lauryl Sulfate Broth, 38.1g
Save £3.62
Palintest Contour Comparator Disc (Free & Total Chlorine)Palintest Contour Comparator Disc (Free & Total Chlorine)
Lovibond Ammonia No 1 & Ammonia No 2 Pack (250)Lovibond Ammonia No 1 & Ammonia No 2 Pack (250)
Stabilised Chlorine GranulesStabilised Chlorine Granules
Save £2.07
Palintest pH 10  Buffer Solution - 500mlPalintest pH 10  Buffer Solution - 500ml
Palintest
Palintest pH 10 Buffer Solution - 500ml Sale price£18.63 Regular price£20.70
On sale
Palintest Kemio Sensors for Peracetic Acid (PAA)Palintest Kemio Sensors for Peracetic Acid (PAA)
Palintest
Palintest Kemio Sensors for Peracetic Acid (PAA) Sale priceFrom £144.99 Regular price£161.10
On sale
Palintest Hydrogen Peroxide (LR)Palintest Hydrogen Peroxide (LR)
Palintest
Palintest Hydrogen Peroxide (LR) Sale priceFrom £25.74 Regular price£28.60
Save £6.88
Palintest Chemical Oxygen Demand (COD) Tubetests. 50 - 2000 mg/L O2Palintest Chemical Oxygen Demand (COD) Tubetests. 50 - 2000 mg/L O2
Save £2.74
Lovibond Vario Chlorine Total DPD 10mlLovibond Vario Chlorine Total DPD 10ml
Lovibond
Lovibond Vario Chlorine Total DPD 10ml Sale price£27.44 Regular price£30.18
Lovibond Comparator 2000+ chlorine Disc 0.5 - 6.0 mg/l
Lovibond Alkalinity Tablet Count Foil - 100 tabletsLovibond Alkalinity Tablet Count Foil - 100 tablets
LaMotte Insta Test Chlorine Dioxide 0- 500 Test StripsLaMotte Insta Test Chlorine Dioxide 0- 500 Test Strips
On sale
Lovibond DPD No. 3 Evo TabletsLovibond DPD No. 3 Evo Tablets
Lovibond
Lovibond DPD No. 3 Evo Tablets Sale priceFrom £12.67 Regular price£13.75