This Might imply that you might want to drink just 56 oz of water every day although the rest will enter One's body via food and metabolic processes. That equals about 7 cups a day and that is about reminiscent of seven regular water Eyeglasses on a daily basis (see https://gabletoppak.com/bioplastics-greenwashing-or-genuine-solution-the-truth-behind-the-hype/