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.

Filters

Sort by:

4197 products

Save £5.03
Lovibond Cuvette stand for 10 round cuvettes Ø 16mmLovibond Cuvette stand for 10 round cuvettes Ø 16mm
Save £3.38
Lovibond DPD No 3 Liquid Reagent Solution
Lovibond
Lovibond DPD No 3 Liquid Reagent Solution Sale price£22.61 Regular price£25.99
Save £64.66
Lovibond MD150 Chlorine, CyA & pH Photometer - Liquid & Tablet ReagentsLovibond MD150 Chlorine, CyA & pH Photometer - Liquid & Tablet Reagents
Save £61.00
Lovibond MD150 Chlorine & pH Photometer - Liquid ReagentsLovibond MD150 Chlorine & pH Photometer - Liquid Reagents
Save £61.00
Lovibond MD150 Chlorine & pH Photometer - Tablet ReagentsLovibond MD150 Chlorine & pH Photometer - Tablet Reagents
HACH Reagent powder pillows, NitraVer 6, nitrate, 5 mL, pk/100HACH Reagent powder pillows, NitraVer 6, nitrate, 5 mL, pk/100
Save £83.22
Lovibond MD50 Phosphate Photometer with Powder ReagentsLovibond MD50 Phosphate Photometer with Powder Reagents
Save £83.22
Lovibond MD50 Phosphate Photometer with Tablet ReagentsLovibond MD50 Phosphate Photometer with Tablet Reagents
Save £83.22
Lovibond MD50 Copper Photometer with Powder ReagentsLovibond MD50 Copper Photometer with Powder Reagents
Lovibond
Lovibond MD50 Copper Photometer with Powder Reagents Sale price£556.94 Regular price£640.16
Save £83.22
Lovibond MD50 Molybdenum Photometer with Powder ReagentsLovibond MD50 Molybdenum Photometer with Powder Reagents
Save £83.22
Lovibond MD50 Molybdenum Photometer with Tablet ReagentsLovibond MD50 Molybdenum Photometer with Tablet Reagents
Save £83.22
Lovibond MD50 Hazen/A.P.H.A. PhotometerLovibond MD50 Hazen/A.P.H.A. Photometer
Lovibond
Lovibond MD50 Hazen/A.P.H.A. Photometer Sale price£556.94 Regular price£640.16
Save £83.22
Lovibond MD50 Urea PhotometerLovibond MD50 Urea Photometer
Lovibond
Lovibond MD50 Urea Photometer Sale price£556.94 Regular price£640.16
Save £83.22
Lovibond MD50 Monochloramine Photometer with Powder ReagentsLovibond MD50 Monochloramine Photometer with Powder Reagents
Save £83.22
Lovibond MD50 Chlorine HR Photometer (Potassium Iodide)Lovibond MD50 Chlorine HR Photometer (Potassium Iodide)
Save £83.22
Lovibond MD50 Ozone Photometer with Tablet ReagentsLovibond MD50 Ozone Photometer with Tablet Reagents
Lovibond
Lovibond MD50 Ozone Photometer with Tablet Reagents Sale price£556.94 Regular price£640.16
Save £83.22
Lovibond MD50 Ozone Photometer with Tablet ReagentsLovibond MD50 Ozone Photometer with Tablet Reagents
Lovibond
Lovibond MD50 Ozone Photometer with Tablet Reagents Sale price£556.94 Regular price£640.16
Save £83.22
Lovibond MD50 Chlorine Dioxide Photometer with Powder ReagentsLovibond MD50 Chlorine Dioxide Photometer with Powder Reagents
Save £83.22
MD50 Chlorine Photometer with Powder Reagents.MD50 Chlorine Photometer with Powder Reagents.
Lovibond
MD50 Chlorine Photometer with Powder Reagents. Sale price£556.94 Regular price£640.16
Save £83.22
MD50 Chlorine Photometer with LiquidsMD50 Chlorine Photometer with Liquids
Lovibond
MD50 Chlorine Photometer with Liquids Sale price£556.94 Regular price£640.16
Save £3.96
Palintest DPD No 4 Rapid (Boric Acid free)Palintest DPD No 4 Rapid (Boric Acid free)
Palintest
Palintest DPD No 4 Rapid (Boric Acid free) Sale price£22.44 Regular price£26.40
Enterolert-E Accurate and quantifiable overnight results
Lamotte Spin Disk Reagent Cartridge (Triple Use), Series 501Lamotte Spin Disk Reagent Cartridge (Triple Use), Series 501
Lamotte WaterLink Spin Touch