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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4195 products

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Lovibond Storage Solution for pH/CRP ElectrodeLovibond Storage Solution for pH/CRP Electrode
Lovibond
Lovibond Storage Solution for pH/CRP Electrode Sale priceFrom £7.50 Regular price£14.53
IDEXX Colilert and Colilert-18 Quanti-Tray/2000 ComparatorIDEXX Colilert and Colilert-18 Quanti-Tray/2000 Comparator
IDEXX
IDEXX Colilert and Colilert-18 Quanti-Tray/2000 Comparator Sale priceFrom £10.00
Biospot® Detergent Sanitiser TabletsBiospot® Detergent Sanitiser Tablets
Biospot
Biospot® Detergent Sanitiser Tablets Sale priceFrom £9.11
FoodSaf Salad Wash Tablets 1.7gFoodSaf Salad Wash Tablets 1.7g
FoodSaf
FoodSaf Salad Wash Tablets 1.7g Sale priceFrom £6.15
Save £4.33
Hanna Instruments HI-716 Bromine CheckerHanna Instruments HI-716 Bromine Checker
Hanna Instruments
Hanna Instruments HI-716 Bromine Checker Sale price£82.37 Regular price£86.70
Save £1.12
Hanna Instruments HI-771-25 Reagents for HI-771 Chlorine UHR Checker
Hanna Instruments
Hanna Instruments HI-771-25 Reagents for HI-771 Chlorine UHR Checker Sale price£21.38 Regular price£22.50
eXact ID Strip Micro Total Bromine DPD-4eXact ID Strip Micro Total Bromine DPD-4
ITS
eXact ID Strip Micro Total Bromine DPD-4 Sale price£11.54
LaMotte Insta-Test Free Chlorine High Range Test Strips
LaMotte
LaMotte Insta-Test Free Chlorine High Range Test Strips Sale price£32.83
Blue Horizons pH Plus Granules - Use PHPLUS1OL / PHPLUS5OL if out of stockBlue Horizons pH Plus Granules - Use PHPLUS1OL / PHPLUS5OL if out of stock
Blue Horizons
Blue Horizons pH Plus Granules - Use PHPLUS1OL / PHPLUS5OL if out of stock Sale priceFrom £7.05
IDEXX HPC for Quanti-Tray
IDEXX
IDEXX HPC for Quanti-Tray Sale priceFrom £70.20
LaMotte Insta-Test Hardness Low Range Test Strips
LaMotte
LaMotte Insta-Test Hardness Low Range Test Strips Sale price£19.63
On sale
Palintest Kemio Sensors for Cadmium
Palintest
Palintest Kemio Sensors for Cadmium Sale priceFrom £76.76 Regular price£90.30
On sale
Lovibond pH Buffer Solutions 4Lovibond pH Buffer Solutions 4
Lovibond
Lovibond pH Buffer Solutions 4 Sale priceFrom £4.42 Regular price£5.08
Save £3.49
Palintest/Wagtech Bronze DiscPalintest/Wagtech Bronze Disc
Palintest
Palintest/Wagtech Bronze Disc Sale price£19.81 Regular price£23.30
Save £1.72
Hanna Instruments HI-93734 Reagents for Chlorine PhotometerHanna Instruments HI-93734 Reagents for Chlorine Photometer
Hanna Instruments
Hanna Instruments HI-93734 Reagents for Chlorine Photometer Sale price£32.68 Regular price£34.40
Save £2.58
Lovibond Refill Pack for 5 in 1 Multipooltester
Lovibond
Lovibond Refill Pack for 5 in 1 Multipooltester Sale price£17.28 Regular price£19.86
Water I.D. Electronic Conductivity MeterWater I.D. Electronic Conductivity Meter
WATER-I.D.
Water I.D. Electronic Conductivity Meter Sale price£36.58
Easy Dip 5 in 1 Test Strips for Free Chlorine/Bromine/pH/Total Alkalinity/CyA/Total HardnessEasy Dip 5 in 1 Test Strips for Free Chlorine/Bromine/pH/Total Alkalinity/CyA/Total Hardness
Pool
Easy Dip 5 in 1 Test Strips for Free Chlorine/Bromine/pH/Total Alkalinity/CyA/Total Hardness Sale price£6.57
Save £8.21
Palintest Contour Comparator Kit, Free+Total Chl 0-2mg/L Cl?Palintest Contour Comparator Kit, Free+Total Chl 0-2mg/L Cl?
Palintest
Palintest Contour Comparator Kit, Free+Total Chl 0-2mg/L Cl? Sale price£73.89 Regular price£82.10
Save £45.75
Palintest Conductivity Pocket SensorPalintest Conductivity Pocket Sensor
Palintest
Palintest Conductivity Pocket Sensor Sale price£259.25 Regular price£305.00
Test All Water Nutrient Agar with TTC
TEST ALL WATER
Test All Water Nutrient Agar with TTC Sale price£10.40
On sale
Lovibond Aluminium No.1 ReagentsLovibond Aluminium No.1 Reagents
Lovibond
Lovibond Aluminium No.1 Reagents Sale priceFrom £21.31 Regular price£24.49
AquaSafe®MSL25 Test Kit
Trace2o
AquaSafe®MSL25 Test Kit Sale price£1,642.85
Save £3.53
Lovibond TTC/MAC DipslidesLovibond TTC/MAC Dipslides
Lovibond
Lovibond TTC/MAC Dipslides Sale price£23.63 Regular price£27.16

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