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

Milwaukee MA9060-500 12880 µS/cm Conductivity Calibration Solution
Milwaukee
Milwaukee MA9060-500 12880 µS/cm Conductivity Calibration Solution Sale price£19.38
Lovibond ET840 Laboratory Floc TesterLovibond ET840 Laboratory Floc Tester
Lovibond
Lovibond ET840 Laboratory Floc Tester Sale price£2,143.81
Save £12.61
Palintest Water Test Strips (3 Way Test Strips) Expired 07/26Palintest Water Test Strips (3 Way Test Strips) Expired 07/26
Palintest
Palintest Water Test Strips (3 Way Test Strips) Expired 07/26 Sale price£4.99 Regular price£17.60
HACH SpecCheck Gel secondary standard Kit, LR chlorine, DPD, 0-2.0 mg/L Cl₂
HACH
HACH SpecCheck Gel secondary standard Kit, LR chlorine, DPD, 0-2.0 mg/L Cl₂ Sale price£171.00
Lovibond Alkalinity Reagent ALK4
Lovibond
Lovibond Alkalinity Reagent ALK4 Sale price£13.26
Lovibond Acid / alkalinity P indicator PA1
Lovibond
Lovibond Acid / alkalinity P indicator PA1 Sale price£7.20
Lovibond QAC indicator QA1
Lovibond
Lovibond QAC indicator QA1 Sale price£17.43
Lovibond QAC buffer
Lovibond
Lovibond QAC buffer Sale price£7.06
Lovibond 0.2M Sodium Lauryl Sulphate
Lovibond
Lovibond 0.2M Sodium Lauryl Sulphate Sale price£11.54
Brannan Water Resistant Probe Test Thermometer -40 to 200C/FBrannan Water Resistant Probe Test Thermometer -40 to 200C/F
Test All Water
Brannan Water Resistant Probe Test Thermometer -40 to 200C/F Sale price£25.00
Lovibond Automatic Pipette 0.1-1 ml Digital Vol infinitely VariableLovibond Automatic Pipette 0.1-1 ml Digital Vol infinitely Variable
Lovibond
Lovibond Automatic Pipette 0.1-1 ml Digital Vol infinitely Variable Sale price£311.00
LaMotte pH Wide Range Test Strips Expired 04/26
LaMotte
LaMotte pH Wide Range Test Strips Expired 04/26 Sale price£2.99
Hanna Instruments-761 Total Chlorine Ultra Low Range Handheld Colorimeter, Checker HC - Expired Reagents
Hanna Instruments
Hanna Instruments-761 Total Chlorine Ultra Low Range Handheld Colorimeter, Checker HC - Expired Reagents Sale price£72.00
Sold out
ChefAlarm® - Cooking Thermometer & TimerChefAlarm® - Cooking Thermometer & Timer
ETI
ChefAlarm® - Cooking Thermometer & Timer Sale price£42.00
Sold out
DOT Digital Oven ThermometerDOT Digital Oven Thermometer
ETI
DOT Digital Oven Thermometer Sale price£32.50
Sold out
RayTemp® 3 - Infrared Thermometer for Precise TargetingRayTemp® 3 - Infrared Thermometer for Precise Targeting
ETI
RayTemp® 3 - Infrared Thermometer for Precise Targeting Sale price£70.00
Sold out
ThermaData® Lite LoggerThermaData® Lite Logger
ETI
ThermaData® Lite Logger Sale price£50.00
Sold out
Therma Waterproof Type K Thermometer with IP66/67 protectionTherma Waterproof Type K Thermometer with IP66/67 protection
ETI
Therma Waterproof Type K Thermometer with IP66/67 protection Sale price£90.00
Sold out
Therma Elite Industrial ThermometerTherma Elite Industrial Thermometer
ETI
Therma Elite Industrial Thermometer Sale price£70.00
Sold out
Therma 3 Industrial ThermometerTherma 3 Industrial Thermometer
ETI
Therma 3 Industrial Thermometer Sale price£60.00
Sold out
Mini RayTemp - Infrared ThermometerMini RayTemp - Infrared Thermometer
ETI
Mini RayTemp - Infrared Thermometer Sale price£35.00
Sold out
Multi-Function Thermometer - Digital Catering ThermometerMulti-Function Thermometer - Digital Catering Thermometer
ETI
Multi-Function Thermometer - Digital Catering Thermometer Sale price£12.00
Sold out
Mini Probe Thermometer - 45mm dialMini Probe Thermometer - 45mm dial
ETI
Mini Probe Thermometer - 45mm dial Sale price£2.75
Sold out
Stainless Steel Fridge Freezer ThermometerStainless Steel Fridge Freezer Thermometer
ETI
Stainless Steel Fridge Freezer Thermometer Sale price£5.00

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