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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Spa Cartridge CleanerSpa Cartridge Cleaner
TEST ALL WATER
Spa Cartridge Cleaner Sale price£8.50
QA3 - QAC Titrant
DTK-TAW
QA3 - QAC Titrant Sale price£12.78
Save £11.49
Lovibond pH-electrode, pH 0 – 14, plastic/gel type, BNC-plugLovibond pH-electrode, pH 0 – 14, plastic/gel type, BNC-plug
Lovibond
Lovibond pH-electrode, pH 0 – 14, plastic/gel type, BNC-plug Sale price£76.92 Regular price£88.41
Save £4.62
Palintest Conductivity Solution, Mid Range, 1412µS/cm, 500mlPalintest Conductivity Solution, Mid Range, 1412µS/cm, 500ml
Palintest
Palintest Conductivity Solution, Mid Range, 1412µS/cm, 500ml Sale price£26.18 Regular price£30.80
Palintest Poly vial 10ml/cap
Palintest
Palintest Poly vial 10ml/cap Sale price£3.50
Save £13.42
Palintest Phosphate TubetestsPalintest Phosphate Tubetests
Palintest
Palintest Phosphate Tubetests Sale price£76.08 Regular price£89.50
Palintest Dissolved Oxygen Photometer Liquid Vials (0 - 0.8 mg/L O2 (Alternative code 380450)
Palintest
Palintest Dissolved Oxygen Photometer Liquid Vials (0 - 0.8 mg/L O2 (Alternative code 380450) Sale price£170.00
Save £7.83
Palintest COD Range 15000M/C TUBETESTPalintest COD Range 15000M/C TUBETEST
Palintest
Palintest COD Range 15000M/C TUBETEST Sale price£70.47 Regular price£78.30
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DTK-TAW
PA3 - Alkalinity OH Reagent Sale priceFrom £5.59
Lovibond Test Tube Rack For PhotometersLovibond Test Tube Rack For Photometers
Lovibond
Lovibond Test Tube Rack For Photometers Sale price£20.40
Lovibond Ozone in the Presence of Chlorine Checkit Comparator KitLovibond Ozone in the Presence of Chlorine Checkit Comparator Kit
Lovibond
Lovibond Ozone in the Presence of Chlorine Checkit Comparator Kit Sale price£75.02
Save £85.43
Lovibond MD200 2 in 1 Chlorine, pH (Tablets)Lovibond MD200 2 in 1 Chlorine, pH (Tablets)
Lovibond
Lovibond MD200 2 in 1 Chlorine, pH (Tablets) Sale price£571.72 Regular price£657.15
Save £61.82
Lovibond MD100T Photometer Chlorine OTZ (Discontinued)Lovibond MD100T Photometer Chlorine OTZ (Discontinued)
Lovibond
Lovibond MD100T Photometer Chlorine OTZ (Discontinued) Sale price£550.77 Regular price£612.59
Save £177.03
Lovibond MD600 MaxiDirect, CompleteLovibond MD600 MaxiDirect, Complete
Lovibond
Lovibond MD600 MaxiDirect, Complete Sale price£1,184.76 Regular price£1,361.79
Save £215.94
Lovibond MD 640 Photometer and FluorometerLovibond MD 640 Photometer and Fluorometer
Lovibond
Lovibond MD 640 Photometer and Fluorometer Sale price£1,445.14 Regular price£1,661.08
Save £28.75
Lovibond MaxiDirect Veri-Set Standards (MD600 / MD610)Lovibond MaxiDirect Veri-Set Standards (MD600 / MD610)
Lovibond
Lovibond MaxiDirect Veri-Set Standards (MD600 / MD610) Sale price£192.40 Regular price£221.15
Lovibond Iron LR Checkit Disc 0-1 mg/l Fe
Lovibond
Lovibond Iron LR Checkit Disc 0-1 mg/l Fe Sale price£25.16
Lovibond Hydrogen Peroxide 0.05 – 100mg/l H202 Test Strips
Lovibond
Lovibond Hydrogen Peroxide 0.05 – 100mg/l H202 Test Strips Sale price£28.15
Lovibond Copper No.2 Test ReagentsLovibond Copper No.2 Test Reagents
Lovibond
Lovibond Copper No.2 Test Reagents Sale price£40.17
Lovibond Chloride Combi-PackLovibond Chloride Combi-Pack
Lovibond
Lovibond Chloride Combi-Pack Sale price£52.53
Lovibond Chlorine DPD Checkit AF530Lovibond Chlorine DPD Checkit AF530
Lovibond
Lovibond Chlorine DPD Checkit AF530 Sale price£49.55
On sale
Lovibond Chloride No.1 TabletsLovibond Chloride No.1 Tablets
Lovibond
Lovibond Chloride No.1 Tablets Sale priceFrom £23.38 Regular price£26.87
Lovibond Checkit Comparator Chlorine 10-300mg/lLovibond Checkit Comparator Chlorine 10-300mg/l
Lovibond
Lovibond Checkit Comparator Chlorine 10-300mg/l Sale price£73.06
Lovibond Checkit Comparator Copper HR Free Test KitLovibond Checkit Comparator Copper HR Free Test Kit
Lovibond
Lovibond Checkit Comparator Copper HR Free Test Kit Sale price£75.02

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