how many ounces in a water bottle??

You Asked “how many ounces in a water bottle

That would depend on the conditions.

I once worked a research job in extreme heat, wearing a reflective aluminized mylar suit and stopping every few minutes to rest. I drank 3 gallons of Gatorade in 8 hours (about 2 hours of actual work, and 6 drinking Gatorade, and resting between pushes at the job. I did not pee a drop until the next day, and a lot of water after the 3 gallons!
That would depend on the conditions.

I once worked a research job in extreme heat, wearing a reflective aluminized mylar suit and stopping every few minutes to rest. I drank 3 gallons of Gatorade in 8 hours (about 2 hours of actual work, and 6 drinking Gatorade, and resting between pushes at the job. I did not pee a drop until the next day, and a lot of water after the 3 gallons!