there is 30 ml in each ounce. an 8 oz glass has 240 ml. a 900 ml bottle is just about a quart or almost four glasses so fill up twice drink it and you will be reaching your fluid intake goal. see and we thought we would never use math.
how much is 900 ml of water? . trying to drink 8 glasses of water a day is hard when you work 9 hours a day. is a 900ml bottle of water a good serving during work hours?