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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6008 products

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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
Bayrol Zirkon Redox Pool SensorBayrol Zirkon Redox Pool Sensor
Kuntze Instruments
Bayrol Zirkon Redox Pool Sensor Sale price£179.61
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
LaMotte Insta-Test Hardness Low Range Test Strips
LaMotte
LaMotte Insta-Test Hardness Low Range Test Strips Sale price£19.63
LaMotte Insta-Test Biguanide, Biguanide Shock, Peroxide, Alkalinity, pH, Total Hardness Test Strips
LaMotte
LaMotte Insta-Test Biguanide, Biguanide Shock, Peroxide, Alkalinity, pH, Total Hardness Test Strips Sale price£7.35
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
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
Lovibond Oxidising Agent (AvChl/PAA) KitLovibond Oxidising Agent (AvChl/PAA) Kit
Lovibond
Lovibond Oxidising Agent (AvChl/PAA) Kit Sale price£61.78
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 £3.75
Hanna Instruments HI-707 Nitrite Low Range Handheld Colorimeter - CheckerHC
Hanna Instruments
Hanna Instruments HI-707 Nitrite Low Range Handheld Colorimeter - CheckerHC Sale price£71.35 Regular price£75.10
Save £3.53
Lovibond TTC/MAC DipslidesLovibond TTC/MAC Dipslides
Lovibond
Lovibond TTC/MAC Dipslides Sale price£23.63 Regular price£27.16
Save £6.88
Palintest Contour Comparator Disc (Chlorine HR 0mg/l - 50mg/l)
Palintest
Palintest Contour Comparator Disc (Chlorine HR 0mg/l - 50mg/l) Sale price£39.02 Regular price£45.90
Save £34.05
Palintest/Wagtech Absorbent Pads and Membranes
Palintest
Palintest/Wagtech Absorbent Pads and Membranes Sale price£192.95 Regular price£227.00

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