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How do I take the sample for the Express Inhibitor Test?

To take the sample, simply dip the test strip into the system water for 1 second, remove it, and shake off any excess water.

Ieva Burns·July 22, 2026

Submitting an 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 water. After testing a PDF certificate will be generated automatically and sent to customers and chosen contacts. All the submissions will be stored in your account, so you can access them whenever you want.

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