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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6009 products

FoodSaf Salad Wash Tablets 0.4gFoodSaf Salad Wash Tablets 0.4g
FoodSaf
FoodSaf Salad Wash Tablets 0.4g Sale priceFrom £2.73
Save £1.23
Hanna Instruments-HI-700-25 Reagents for HI-700 Ammonia Checker
Hanna Instruments
Hanna Instruments-HI-700-25 Reagents for HI-700 Ammonia Checker Sale price£23.47 Regular price£24.70
LaMotte Insta-Test Borate Test Strips
LaMotte
LaMotte Insta-Test Borate Test Strips Sale price£8.00
Save £13.62
Palintest Total Nitrogen 30N TubetestsPalintest Total Nitrogen 30N Tubetests
Palintest
Palintest Total Nitrogen 30N Tubetests Sale price£77.18 Regular price£90.80
Sold out
Blue Horizons 200g Multifunctional Chlorine Tablets (Use MFTAB2005OL / MFTAB2002OL as alternative)Blue Horizons 200g Multifunctional Chlorine Tablets (Use MFTAB2005OL / MFTAB2002OL as alternative)
Blue Horizons
Blue Horizons 200g Multifunctional Chlorine Tablets (Use MFTAB2005OL / MFTAB2002OL as alternative) Sale priceFrom £10.69
Save £40.20
Palintest pH Temperature Pocket SensorPalintest pH Temperature Pocket Sensor
Palintest
Palintest pH Temperature Pocket Sensor Sale price£227.80 Regular price£268.00
Save £14.52
Palintest Contour Comparator Kit Ammonia Range 0-1mg/l NPalintest Contour Comparator Kit Ammonia Range 0-1mg/l N
Palintest
Palintest Contour Comparator Kit Ammonia Range 0-1mg/l N Sale price£82.28 Regular price£96.80
Save £2.65
Palintest Aluminium Petri Dishes, 20Palintest Aluminium Petri Dishes, 20
Palintest
Palintest Aluminium Petri Dishes, 20 Sale price£15.05 Regular price£17.70
Nitrate/Nitrite Test Strips 80/500Nitrate/Nitrite Test Strips 80/500
Johnson Analytica
Nitrate/Nitrite Test Strips 80/500 Sale price£9.38
Save £7.32
Lovibond W600.B.5.25" Cell
Lovibond
Lovibond W600.B.5.25" Cell Sale price£139.03 Regular price£146.35
Save £1.86
Lovibond TDS Solution 1000ppm
Lovibond
Lovibond TDS Solution 1000ppm Sale price£12.43 Regular price£14.29
On sale
Lovibond DPD No 2 Comparator / Photometer TabletsLovibond DPD No 2 Comparator / Photometer Tablets
Lovibond
Lovibond DPD No 2 Comparator / Photometer Tablets Sale priceFrom £13.28 Regular price£15.27
Save £7.98
Lovibond COD Vario Vial Test 3-150mg/lLovibond COD Vario Vial Test 3-150mg/l
Lovibond
Lovibond COD Vario Vial Test 3-150mg/l Sale price£53.37 Regular price£61.35
Save £9.47
Lovibond Checkit Comparator Kit Chlorine (Free & Total)Lovibond Checkit Comparator Kit Chlorine (Free & Total)
Lovibond
Lovibond Checkit Comparator Kit Chlorine (Free & Total) Sale price£63.41 Regular price£72.88
Save £5.14
Lovibond Ammonia No.2 TabletsLovibond Ammonia No.2 Tablets
Lovibond
Lovibond Ammonia No.2 Tablets Sale price£34.37 Regular price£39.51
Save £5.14
Lovibond Ammonia No.1 ReagentsLovibond Ammonia No.1 Reagents
Lovibond
Lovibond Ammonia No.1 Reagents Sale price£34.37 Regular price£39.51
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Lovibond Alkalinity LR Test Tablets
Lovibond
Lovibond Alkalinity LR Test Tablets Sale price£44.56
Save £20.36
Lovibond 3/40A Chlorine Disc (1.0mg/l)Lovibond 3/40A Chlorine Disc (1.0mg/l)
Lovibond
Lovibond 3/40A Chlorine Disc (1.0mg/l) Sale price£136.26 Regular price£156.62
Save £3.75
Hanna Instruments-711 Total Chlorine Handheld Colorimeter - Checker®HCHanna Instruments-711 Total Chlorine Handheld Colorimeter - Checker®HC
Hanna Instruments
Hanna Instruments-711 Total Chlorine Handheld Colorimeter - Checker®HC Sale price£71.35 Regular price£75.10
CDO2A - Chlorine Dioxide VLR TitrantCDO2A - Chlorine Dioxide VLR Titrant
DTK-TAW
CDO2A - Chlorine Dioxide VLR Titrant Sale price£12.68
Test All Water BC2 - Chloride HR TitrantTest All Water BC2 - Chloride HR Titrant
DTK-TAW
Test All Water BC2 - Chloride HR Titrant Sale priceFrom £17.56
Sold out
Alkatest Rapid Tablets (Discontinued use code 515570)
DTK-TAW
Alkatest Rapid Tablets (Discontinued use code 515570) Sale price£38.50
HTH DPD No 1 Photometer / Comparator Reagents-100 PACKHTH DPD No 1 Photometer / Comparator Reagents-100 PACK
HtH
HTH DPD No 1 Photometer / Comparator Reagents-100 PACK Sale price£8.00
Save £240.30
Palintest Kemio Disinfection Soft Carry Case.Palintest Kemio Disinfection Soft Carry Case.
Palintest
Palintest Kemio Disinfection Soft Carry Case. Sale price£1,361.70 Regular price£1,602.00

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