The Instant System Test is a quick and convenient method of evaluating system water quality onsite. It combines four tests: Turbidity Test, Express Inhibitor Test, Corrosion Test, and pH Test.
For a detailed, step-by-step guide on how to use the Instant System Test, please refer to this guide.
Visit this comparison page to find the most appropriate test for you.
Explore country-specific availability of Fernox water tests.
Find authorized retailers and stockists in your area.
Got questions? We’ve got answerss.
We are continuously adding more guides and FAQ’s to help you set up on the Fernox App, however if you are unable to find an answer to your question, it’s time to reach out.
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