User blog comment:Yonkou Rome/Devil Fruit Logia - Water?/@comment-2109035-20101016221112

I agree. I think that it'd only be able to work if it was some sort of special water, that is different from seawater and freshwater, and basically, all kinds of natural water. I just think that forms of water devil fruits are possible. (mist mist fruit, ice ice fruit, etc.)