What is undoubtedly the world’s most famous luxury yacht is successfully operating an advanced BIO-SEA ballast water treatment system from France’s BIO-UV Group.
Christina O, the 1943-built motor yacht named after the only daughter of Greek shipping magnate Aristotle Onassis, was fitted with a low-flow BIO-SEA system last year as part of a major refurbishment...
https://allaboutshipping.co.uk/2022/03/18/christina-o-sails-away-with-bio-sea/