Forum:How can DF users drink water if its there weakness?

A Devil fruit user is not weak against water. They only have the inability to swim in the water. Well some users like Crocodile might be weak against water solely because their power is naturally weak to water. For the most part a Devil Fruit user can drink water like it's no big deal and they can even have a shower or walk in water up their waistline or roughly around there. -Langland

I thought it had to be salt water (sea water)?