This product will not eliminate legionella.
Use Elsan Fresh Water Tank Clean to clean your fresh water system. This product has been developed to attack algae and the bacteria in mobile on board water tanks and portable water carries.
It is useful to use this product after bringing your leisure vehicle out of winter storage and getting ready for the start of the season. This will remove any unwanted calcium build-up and deposits from within your water system i.e. tank and pipes.
Regular use of this product will keep your water system free from micro organisms. Elsan Fresh Water Tank Clean does not contain chlorines so this has none of the associated smells or risk.