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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Lovibond Hardness Yes/No Tablets BottleLovibond Hardness Yes/No Tablets Bottle
Lovibond
Lovibond Hardness Yes/No Tablets Bottle Sale price£22.19 Regular price£24.35
Save £7.02
Palintest COD/2000/M 0-2000 mg/L O2 TubetestPalintest COD/2000/M 0-2000 mg/L O2 Tubetest
Palintest
Palintest COD/2000/M 0-2000 mg/L O2 Tubetest Sale priceFrom £63.18 Regular price£70.20
On sale
Lovibond DPD Glycine Tablets (For Chlorine Separation)Lovibond DPD Glycine Tablets (For Chlorine Separation)
Lovibond
Lovibond DPD Glycine Tablets (For Chlorine Separation) Sale priceFrom £17.15 Regular price£18.73
Lovibond Chlorine HR / Acidifying GP Combi PackLovibond Chlorine HR / Acidifying GP Combi Pack
Save £6.36
Lovibond Acidifying SE 100 TabletsLovibond Acidifying SE 100 Tablets
Lovibond
Lovibond Acidifying SE 100 Tablets Sale price£59.44 Regular price£65.80
Lovibond Cyanuric Acid TabletsLovibond Cyanuric Acid Tablets
Save £2.01
Palintest pH Rapid Dissolve TabletsPalintest pH Rapid Dissolve Tablets
Palintest
Palintest pH Rapid Dissolve Tablets Sale price£18.09 Regular price£20.10
Save £124.00
Palintest Lumiso Pooltest Expert Photometer KitPalintest Lumiso Pooltest Expert Photometer Kit
Palintest
Palintest Lumiso Pooltest Expert Photometer Kit Sale price£1,116.00 Regular price£1,240.00
Save £48.50
Palintest Lumiso Pooltest 4Palintest Lumiso Pooltest 4
Palintest
Palintest Lumiso Pooltest 4 Sale price£436.50 Regular price£485.00
On sale
Palintest Hydrogen Peroxide HR TabletsPalintest Hydrogen Peroxide HR Tablets
Palintest
Palintest Hydrogen Peroxide HR Tablets Sale priceFrom £42.75 Regular price£47.50
Save £2.13
Palintest Glycine ReagentPalintest Glycine Reagent
Palintest
Palintest Glycine Reagent Sale price£19.17 Regular price£21.30
TTC/MAC Dipslides
DTK-TAW
TTC/MAC Dipslides Sale priceFrom £20.46
On sale
Palintest Magnesium Photometer ReagentsPalintest Magnesium Photometer Reagents
Palintest
Palintest Magnesium Photometer Reagents Sale priceFrom £38.16 Regular price£42.40
Palintest Chlorine DPD 2 TabletsPalintest Chlorine DPD 2 Tablets
Oakton TDSTestr 11Oakton TDSTestr 11
Eutech
Oakton TDSTestr 11 Sale price£99.20
Lovibond MD610 PhotometerLovibond MD610 Photometer
IDEXX Colilert for 100ml sampleIDEXX Colilert for 100ml sample
IDEXX
IDEXX Colilert for 100ml sample Sale priceFrom £199.00
Chlorine Granular ShockChlorine Granular Shock
Save £2.24
Lovibond Chloride Tablets BottleLovibond Chloride Tablets Bottle
Lovibond
Lovibond Chloride Tablets Bottle Sale price£23.00 Regular price£25.24
Save £9.25
Palintest Total Phosphorus 12P TubetestsPalintest Total Phosphorus 12P Tubetests
Palintest
Palintest Total Phosphorus 12P Tubetests Sale priceFrom £83.25 Regular price£92.50
Pro-Swim Brominating GranulesPro-Swim Brominating Granules
Save £7.95
Palintest Turbidity Tube (13 inch)
Palintest
Palintest Turbidity Tube (13 inch) Sale price£71.55 Regular price£79.50
Palintest Chromium (Vl), Photometer ReagentsPalintest Chromium (Vl), Photometer Reagents
Test All Water Hydrogen Peroxide LR Strips [0-100ppm] (100Pk)Test All Water Hydrogen Peroxide LR Strips [0-100ppm] (100Pk)