You know, I keep wanting to calculate it but always get too busy. I have a 24oz Camelbak bottle that I refill several times a day. I drink two pots of tea a day, also, so I'd imagine it's pretty high.
I echo the thoughts of the other guy who works from home. People thought I was a freak in the office - but those guys literally downed four diet cokes before lunch. Yuck!
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