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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Palintest Contour Comparator Kit Chlorine 0 -2 mg/l / pHPalintest Contour Comparator Kit Chlorine 0 -2 mg/l / pH
Palintest
Palintest Contour Comparator Kit Chlorine 0 -2 mg/l / pH Sale price£101.15 Regular price£119.00
Lovibond Hydrogen Peroxide Reagent SolutionLovibond Hydrogen Peroxide Reagent Solution
Lovibond
Lovibond Hydrogen Peroxide Reagent Solution Sale price£58.52
Lovibond DPD No 1 Liquid Buffer Solution
Lovibond
Lovibond DPD No 1 Liquid Buffer Solution Sale price£22.61
La Motte Insta-TEST® Monopersulfate (MPS), Alkalinity, pH Test StripsLa Motte Insta-TEST® Monopersulfate (MPS), Alkalinity, pH Test Strips
Lamotte
La Motte Insta-TEST® Monopersulfate (MPS), Alkalinity, pH Test Strips Sale price£7.25
On sale
Palintest Chemical Oxygen Demand / 150 TUBETESTSPalintest Chemical Oxygen Demand / 150 TUBETESTS
Palintest
Palintest Chemical Oxygen Demand / 150 TUBETESTS Sale priceFrom £63.67 Regular price£74.90
Test All Water 200g Trichlor Stabilised TabletsTest All Water 200g Trichlor Stabilised Tablets
TEST ALL WATER
Test All Water 200g Trichlor Stabilised Tablets Sale priceFrom £10.37
Kuntze Bowl Filter Assembly
Kuntze Instruments
Kuntze Bowl Filter Assembly Sale price£74.33
Save £62.00
Palintest Total Arsenic SensorsPalintest Total Arsenic Sensors
Palintest
Palintest Total Arsenic Sensors Sale price£365.00 Regular price£427.00
Biospot Effervescent Chlorine TabletsBiospot Effervescent Chlorine Tablets
Biospot
Biospot Effervescent Chlorine Tablets Sale priceFrom £8.72
WATER-I.D: DPD No.4 Rapid TabletsWATER-I.D: DPD No.4 Rapid Tablets
WATER-I.D.
WATER-I.D: DPD No.4 Rapid Tablets Sale priceFrom £5.95
Save £116.10
Palintest Lumiso Chlorine DioxidePalintest Lumiso Chlorine Dioxide
Palintest
Palintest Lumiso Chlorine Dioxide Sale price£657.90 Regular price£774.00
pH Indicator Strips 0 - 14pH Indicator Strips 0 - 14
Johnson Analytica
pH Indicator Strips 0 - 14 Sale price£4.05
Palintest Standard Service & Test- Turbidity Meter
Palintest
Palintest Standard Service & Test- Turbidity Meter Sale price£255.00
Palintest Kemio Service & Test
Palintest
Palintest Kemio Service & Test Sale price£325.00
Save £14.55
Palintest Nitrate Tubetests (EPL)Palintest Nitrate Tubetests (EPL)
Palintest
Palintest Nitrate Tubetests (EPL) Sale price£82.45 Regular price£97.00
Lovibond Test Strips Plastic pH 0-14Lovibond Test Strips Plastic pH 0-14
Lovibond
Lovibond Test Strips Plastic pH 0-14 Sale price£31.66
Lovibond pH Checkit Disc 6.5 - 8.4 pH
Lovibond
Lovibond pH Checkit Disc 6.5 - 8.4 pH Sale price£25.16
Save £7.98
Lovibond COD Vials Mercury Free 0-1500mg/lLovibond COD Vials Mercury Free 0-1500mg/l
Lovibond
Lovibond COD Vials Mercury Free 0-1500mg/l Sale price£53.37 Regular price£61.35
Lovibond Checkit 5 in 1 Comparator KitLovibond Checkit 5 in 1 Comparator Kit
Lovibond
Lovibond Checkit 5 in 1 Comparator Kit Sale price£237.38
Lovibond Acidifying PT Rapid TabletsLovibond Acidifying PT Rapid Tablets
Lovibond
Lovibond Acidifying PT Rapid Tablets Sale price£18.71
Eutech pH 7.00 Buffer Solution - 480mlEutech pH 7.00 Buffer Solution - 480ml
Eutech
Eutech pH 7.00 Buffer Solution - 480ml Sale price£17.64
Safe Swim Meter Reagent DPD-1 Free Chlorine
ITS
Safe Swim Meter Reagent DPD-1 Free Chlorine Sale price£12.44
PoolLab Copper No.1 Tablets
WATER-I.D.
PoolLab Copper No.1 Tablets Sale price£28.80
Oasis 50 Water Purification TabletsOasis 50 Water Purification Tablets
Oasis
Oasis 50 Water Purification Tablets Sale priceFrom £1.55

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