It's just going to make you dehydrated to one degree or another. This will likely decrease your performance in workouts. As soon as you drink again you will gain all the weight back.
That's if weight loss was your goal. I don't see how it's a good way to achieve any goal. As LFC said, it's pointless.
That's if weight loss was your goal. I don't see how it's a good way to achieve any goal. As LFC said, it's pointless.