5 - 10 gallons per day?? Are you including washing and other non-drinking usage? Because drinking more than 2 gallons of water a day, even in high, dry heat with physical exertion, is extremely difficult. I've done a good amount of desert labor and a gallon/day is about right for drinking, even at 100+ degrees.
No, strictly drinking. It's practically all lost to perspiration and respiration - I struggled to drink enough water to manage a single wee throughout the day.
This was 120F ambient air temps, much hotter surface/roof-in-progress temps operating in close proximity to.
Basically every drink break put down 2 Brita pitchers worth, refilled from a 5-gallon water cooler bottle. Typically I'd have to go down and refill the 5-gallon bottle once per day... hence 5-10gals.
Didn't do anything in particular, dunno. Maybe all the canned sardines in water I was eating/drinking the broth from delivered enough sodium? I didn't feel ill or anything like that.
