<P> H O : Just Add Water , also known as H O , is an Australian dramatic fantasy television programme for children and teenagers created by Jonathan M. Shiff . It first screened on Australia 's Network Ten and runs in syndication on channels in over 120 countries and has a worldwide audience of more than 250 million . It was filmed on location at Sea World and other locations on the Gold Coast . The show revolves around three teenage girls facing everyday teen problems with an added twist : they 're mermaids with powers over water . </P>
where is the show h2o just add water filmed
Sea World other locations on the Gold Coast