 Blue Abyss announced in early 2019 that they were in advanced stages of planning a 50 metre deep research and training pool at Wirral Waters.Blue Abyss had looked at sites including RAF Henlow and Colchester before settling on Wirral Waters.When completed in 2021 the pool will be one of the deepest in the world and will be able to be utilitised for freediving, research and training.