+44 (0) 330 100 7750 sales@fernox.com Change Country Test Kits Water Quality Test Fernox Water Quality Test is a paperless, smart phone driven, postal laboratory service which provides a diagnostic check of five key water quality criteria to View Product » Express Inhibitor Test The Express Inhibitor Test provides a rapid on-site analysis of the concentration of all Fernox Protectors, and other molybdate based inhibitors, in central heating system View Product » System Health Check Fernox System Health Check is a premier postal sampling service which provides accurate laboratory diagnosis of central heating problems, in order to ensure the correct View Product » Universal Test Kit This on-site test kit is supplied with all equipment and reagents required to determine turbidity, pH, Fernox Protector levels and water hardness. View Product » System Water Test A simple and easy-to-use turbidity test to check the quality of system water and determine appropriate treatment to ensure the system works at optimum efficiency, View Product » Total Dissolved Solids (TDS) Meter The Total Dissolved Solids (TDS) Meter offers a rapid and accurate field test for determining the concentration of total dissolved solids in system and mains View Product » Refractometer Accurate, easy-to-use antifreeze testing instrument uses an adjustable eye piece to measure refracted light given off by all glycol-based antifreeze products, to determine the concentration View Product » MENU About Us Contact Products BIM Documents USEFUL LINKS Fernox Water Testing Portal Associations & Partners Mobile Apps POLICIES Cookie Policy Privacy Policy Disclaimer Terms & Conditions of Sale Certificate of Conformity Warranty Statement UK Modern Slavery Act Covid-19 Update NEWSLETTER I accept the Fernox terms and conditions, and privacy policy. SUBSCRIBE © Fernox 2021. All rights reserved Cookies To make this site work properly, we sometimes place small data files called cookies on your device. Most big websites do this too. Accept