C4HydroTM is an innovative company that develops and provides fast, simple and accurate tools for monitoring the presence of pathogenic microorganisms in water. Using a CNRS patented innovation, our first product, Legio EZ-TestTM is the only testing solution able of detecting exclusively living L. pneumophila, of all serogroups and in 48 hours, making it the most advanced and reliable alternative to the standard culture method.