If the dip test shows less than 100ppm, installers can immediately resolve the issue by adding a high-quality inhibitor such as Fernox Protector F1 or where a filter is fitted, Protector+ Filter Fluid. The test can be re-taken once the inhibitor has circulated to confirm the level has been met.
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.
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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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