No morning coffee. No after-work beer. Could you do it for 10 days? Can you deny the cravings and say no to everything but water?
It's going to be a challenge. But if you, your friends and your colleagues can brave it you'll help our amazing volunteers save lives at sea. Find out more about H2Only and sign up together today.
Sign up here
Royal National Lifeboat Institution (RNLI), a charity registered in England and Wales (209603) and Scotland (SC037736). Registered charity number 20003326 in the Republic of Ireland | RNLI (Trading) Ltd - 1073377, RNLI (Sales) Ltd - 2202240, RNLI (Enterprises) Ltd - 1784500 and RNLI College Ltd - 7705470 are all companies registered in England and Wales at West Quay Road, Poole, BH15 1HZ. Images and copyright © RNLI 2015.