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

Sold out
Thermapen® IR | Infrared & Penetration ProbesThermapen® IR | Infrared & Penetration Probes
ETI
Thermapen® IR | Infrared & Penetration Probes Sale price£95.00
Sold out
Thermamite® HACCP Process ThermometerThermamite® HACCP Process Thermometer
ETI
Thermamite® HACCP Process Thermometer Sale price£69.00
Sold out
T-Shaped Waterproof ThermometerT-Shaped Waterproof Thermometer
ETI
T-Shaped Waterproof Thermometer Sale price£24.50
Sold out
Barista's Milk Frothing - Coffee ThermometerBarista's Milk Frothing - Coffee Thermometer
ETI
Barista's Milk Frothing - Coffee Thermometer Sale price£5.50
Sold out
DishTemp® Dishwasher Thermometer (810-280)DishTemp® Dishwasher Thermometer (810-280)
Test All Water
DishTemp® Dishwasher Thermometer (810-280) Sale price£38.00
Sold out
Extra Big & Loud TimerExtra Big & Loud Timer
Test All Water
Extra Big & Loud Timer Sale price£23.00
Sold out
Digital Fridge Thermometer | Safety Zone IndicatorDigital Fridge Thermometer | Safety Zone Indicator
Test All Water
Digital Fridge Thermometer | Safety Zone Indicator Sale price£9.50
Sold out
Max/Min Therma-Hygrometer | Frost AlarmMax/Min Therma-Hygrometer | Frost Alarm
Test All Water
Max/Min Therma-Hygrometer | Frost Alarm Sale price£20.50
Sold out
Waterproof Thermometer with Max/Min and °C/°F FunctionsWaterproof Thermometer with Max/Min and °C/°F Functions
Test All Water
Waterproof Thermometer with Max/Min and °C/°F Functions Sale price£19.50
Sold out
Food Check Hand Held ThermometerFood Check Hand Held Thermometer
Test All Water
Food Check Hand Held Thermometer Sale price£79.00
Sold out
Gourmet ThermometerGourmet Thermometer
Test All Water
Gourmet Thermometer Sale price£22.00
Sold out
Therma 1 Industrial Digital ThermometerTherma 1 Industrial Digital Thermometer
Test All Water
Therma 1 Industrial Digital Thermometer Sale price£65.00
Sold out
Legionnaires' Standard Legionella Thermometer KitLegionnaires' Standard Legionella Thermometer Kit
Test All Water
Legionnaires' Standard Legionella Thermometer Kit Sale price£113.00
Sold out
Digital Therma-Hygrometer | Comfort IndicatorDigital Therma-Hygrometer | Comfort Indicator
Test All Water
Digital Therma-Hygrometer | Comfort Indicator Sale price£12.50
Sold out
Thermocouple Probe for Liquids and SolidsThermocouple Probe for Liquids and Solids
Test All Water
Thermocouple Probe for Liquids and Solids Sale price£32.00
Sold out
Thermapen® Surface ProbeThermapen® Surface Probe
Test All Water
Thermapen® Surface Probe Sale price£66.00
Sold out
Digital Fridge Freezer Alarm Thermometer | 810-210Digital Fridge Freezer Alarm Thermometer | 810-210
Test All Water
Digital Fridge Freezer Alarm Thermometer | 810-210 Sale price£13.00
Sold out
Thermapen® Classic ThermometerThermapen® Classic Thermometer
Test All Water
Thermapen® Classic Thermometer Sale price£44.00
Sold out
Thermapen® ONE ThermometerThermapen® ONE Thermometer
Test All Water
Thermapen® ONE Thermometer Sale price£65.00
COD Lab TestCOD Lab Test
TEST ALL WATER
COD Lab Test Sale price£65.00
Save £20.72
Lovibond Total Hardness Tablets Bottle Expiring 06.26Lovibond Total Hardness Tablets Bottle Expiring 06.26
Lovibond
Lovibond Total Hardness Tablets Bottle Expiring 06.26 Sale price£9.99 Regular price£30.71
Peracetic Acid 0 - 160 Test Strips Test All Water
TEST ALL WATER
Peracetic Acid 0 - 160 Test Strips Test All Water Sale price£6.58
Peracetic Acid 0-2000 Test Strips Test All Water
TEST ALL WATER
Peracetic Acid 0-2000 Test Strips Test All Water Sale price£11.24
pH Indicator Strips 2.0 - 9.0 Test All WaterpH Indicator Strips 2.0 - 9.0 Test All Water
TEST ALL WATER
pH Indicator Strips 2.0 - 9.0 Test All Water Sale price£3.84

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