Juice is generally not need to add water, the fruit itself contains water, with the juicer out of the water can fully meet the needs of the human body. 2. but with a blender to extract the juice need to add water, dry burning will lead to damage to the blender Juice is not very much of the fruit are generally speaking need to add water. Need to add water, only a part of the flavor of the heavier fruits only need, in general, the healthy people drink freshly squeezed juice is not need to add water, but to the baby or the elderly drinking freshly squeezed juice, is not directly drink, their digestive ability and spleen and stomach is weak, drinking high purity freshly squeezed juice will aggravate the burden of their digestive organs.