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:

4195 products

LABPLAS Sterile Water Sampling Bags 1 LitreLABPLAS Sterile Water Sampling Bags 1 Litre
Test All Water
LABPLAS Sterile Water Sampling Bags 1 Litre Sale priceFrom £10.25
LABPLAS Sterile Water Sampling Bags 500mlLABPLAS Sterile Water Sampling Bags 500ml
Test All Water
LABPLAS Sterile Water Sampling Bags 500ml Sale priceFrom £7.25
Save £15.00
Palintest Kemio Ammonia High Range Sensors & Accessories
Palintest
Palintest Kemio Ammonia High Range Sensors & Accessories Sale price£115.00 Regular price£130.00
Save £15.00
Palintest Kemio Ammonia Low Range Sensors & Accessories
Palintest
Palintest Kemio Ammonia Low Range Sensors & Accessories Sale price£115.00 Regular price£130.00
Trace2o
Trace2o Polishing kit (dish, cloths and slurry) Sale price£113.30
Save £1.25
Hanna Instruments HI-721-25 Reagents for HI-721 Iron Pocket Checker
Hanna Instruments
Hanna Instruments HI-721-25 Reagents for HI-721 Iron Pocket Checker Sale price£10.25 Regular price£11.50
Save £2.30
Hanna Instruments HI-93713-01 Phosphate Low Range Reagent
Hanna Instruments
Hanna Instruments HI-93713-01 Phosphate Low Range Reagent Sale price£38.00 Regular price£40.30
Trace2o
Trace2o 25ml Storage Solution Sale price£16.67
Trace2o
Trace2o Lubrication grease, 10mL tub Sale price£10.30
Trace2o
Trace2o 1000NTU Calibration Solution 500ml Sale price£116.67
Trace2o
Calibration Kit for ISE Electrodes Sale price£41.20
Trace2o
Maji Calibration Solutions Sale priceFrom £33.33
ETI- ThermaData Lite loggerETI- ThermaData Lite logger
ETI
ETI- ThermaData Lite logger Sale price£50.00
Colour
ThermaPod USB LoggerThermaPod USB Logger
ETI
ThermaPod USB Logger Sale price£35.00
HACH
HACH Stablcal Stabilised Formazine Turbidity Standard 10.0 NTU, 100 mL Sale price£111.00
Sold out
HACH Stablcal Stabilised Formazine Turbidity Standard, 20 NTU, 100 mL
HACH
HACH Stablcal Stabilised Formazine Turbidity Standard, 20 NTU, 100 mL Sale price£111.00
Sold out
HACH Stablcal stabilised Formazine Turbidity Standard, 100 NTU, 100 mL
HACH
HACH Stablcal stabilised Formazine Turbidity Standard, 100 NTU, 100 mL Sale price£111.00
Sold out
HACH Stablcal Turbidity Standard, 800 NTU, 100 mL
HACH
HACH Stablcal Turbidity Standard, 800 NTU, 100 mL Sale price£111.00
Lovibond Wooden box for TC 135 S, TC 140 G (IPPC Standard - ISPM15)
Lovibond
Lovibond Wooden box for TC 135 S, TC 140 G (IPPC Standard - ISPM15) Sale price£232.82
Milwaukee MA9063-1000 84 µS/cm Conductivity Solution
Milwaukee
Milwaukee MA9063-1000 84 µS/cm Conductivity Solution Sale price£24.38
Milwaukee MA9063-500 84 µS/cm Conductivity Solution
Milwaukee
Milwaukee MA9063-500 84 µS/cm Conductivity Solution Sale price£19.38
Milwaukee MA9061-1000 1413 µS/cm Conductivity Solution
Milwaukee
Milwaukee MA9061-1000 1413 µS/cm Conductivity Solution Sale price£24.38
Milwaukee MA9061-500 1413 µS/cm Conductivity Solution
Milwaukee
Milwaukee MA9061-500 1413 µS/cm Conductivity Solution Sale price£19.38
Milwaukee MA9060-1000 12880 µS/cm Conductivity Calibration Solution
Milwaukee
Milwaukee MA9060-1000 12880 µS/cm Conductivity Calibration Solution Sale price£24.38

International Delivery

For small orders & export tenders

12,000+ PRODUCTS

From the Market Leaders

Support & Trade Accounts

Contact Us for Support & Trade Accounts

Secure payments

Online payments securely administed by Shopify