It would seem that residents in Hollywood have an unusual way of making the most of what comes out of their kitchen tap.Speaking to the Daily Mail, Alexandra Aitken, daughter of former MP Jonathan Aitken, said someone in her yoga class admitted that they take the water from their kitchen tap and tailor it to their health needs.Ms Aitken, who moved from the UK and is now a yoga teacher, stated that this way of transforming kitchen tap water appears to be the norm in Hollywood.Over here, they take water from the tap, filter it down, then add their own minerals and vitamins. Its quite a craze, she told the newspaper.Britons who may not want to go as far as the Hollywood craze but still want purer water may find that fitting a filter tap in their kitchen can get rid of any unwanted taste and colour from their water.A campaign has kicked off in London restaurants to promote the benefits of water from the kitchen tap, rather than the bottled variety.London on Tap wants to see all restaurants automatically offer customers water from their kitchen tap.