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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5603 products

Save £19.50
Palintest Turbidity Tube (26 inch, 2-part)Palintest Turbidity Tube (26 inch, 2-part)
Palintest
Palintest Turbidity Tube (26 inch, 2-part) Sale price£110.50 Regular price£130.00
Lovibond Cyanuric Acid TabletsLovibond Cyanuric Acid Tablets
Save £2.34
Palintest Plastic Sample Container, 50/100mlPalintest Plastic Sample Container, 50/100ml
Palintest
Palintest Plastic Sample Container, 50/100ml Sale price£13.26 Regular price£15.60
Save £11.37
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 price£64.43 Regular price£75.80
Save £19.05
Palintest Manganese LR ReagentsPalintest Manganese LR Reagents
Palintest
Palintest Manganese LR Reagents Sale priceFrom £55.00 Regular price£127.00
On sale
Lovibond Copper No.1 Test ReagentsLovibond Copper No.1 Test Reagents
Lovibond
Lovibond Copper No.1 Test Reagents Sale priceFrom £55.36 Regular price£63.63
Agrichlor Effervescent Chlorine TabletsAgrichlor Effervescent Chlorine Tablets
IDEXX Colilert and Colilert-18 P/A Comparator
Save £33.60
Palintest DPD No 1 LiquidPalintest DPD No 1 Liquid
Palintest
Palintest DPD No 1 Liquid Sale priceFrom £21.67
Save £22.50
Palintest Manganese High Range ReagentsPalintest Manganese High Range Reagents
Palintest
Palintest Manganese High Range Reagents Sale price£127.50 Regular price£150.00
Lovibond Plastic 10ml Cells with capLovibond Plastic 10ml Cells with cap
Save £3.43
Lovibond Chloride Tablets BottleLovibond Chloride Tablets Bottle
Lovibond
Lovibond Chloride Tablets Bottle Sale price£22.95 Regular price£26.38
Save £12.24
Palintest Alkalinity (Alkavis) TabletsPalintest Alkalinity (Alkavis) Tablets
Palintest
Palintest Alkalinity (Alkavis) Tablets Sale price£69.36 Regular price£81.60
Save £26.08
Lovibond Nitrate Vario Tube Test Reagent SetLovibond Nitrate Vario Tube Test Reagent Set
Lovibond
Lovibond Nitrate Vario Tube Test Reagent Set Sale price£174.52 Regular price£200.60
Lovibond Chlorine H.R.Tablets (KI) TabletsLovibond Chlorine H.R.Tablets (KI) Tablets
Lovibond Checkit Comparator Kit (Chlorine & pH)Lovibond Checkit Comparator Kit (Chlorine & pH)
Pro Swim Chlorine Dioxide Tablets 8gPro Swim Chlorine Dioxide Tablets 8g
Test All Water Multifunctional Chlorine TabletsTest All Water Multifunctional Chlorine Tablets
Lovibond DPD 1 High Range TabletsLovibond DPD 1 High Range Tablets
IDEXX Colilert for 100ml sampleIDEXX Colilert for 100ml sample
IDEXX
IDEXX Colilert for 100ml sample Sale priceFrom £215.00
Save £3.55
Palintest Pooltester Chlorine/pH/Total AlkalinityPalintest Pooltester Chlorine/pH/Total Alkalinity
Palintest
Palintest Pooltester Chlorine/pH/Total Alkalinity Sale price£20.15 Regular price£23.70
J-QUANT Peracetic Acid 0-500 Test StripsJ-QUANT Peracetic Acid 0-500 Test Strips
Save £1.12
Lovibond Indicator Strips pH 6.5-10.0Lovibond Indicator Strips pH 6.5-10.0
Lovibond
Lovibond Indicator Strips pH 6.5-10.0 Sale price£11.19 Regular price£12.31
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 £17.03 Regular price£19.57