...because the shape of the water bottle isn't uniform either. Part of my new year's resolution is to drink 4 liters of water per day, so I spend a lot of time looking at those lines. Edit: 4 liters is a lot, but appropriate for my size and activity level. Without conscious consideration I don't drink enough water. It looks blue because the bottle is blue.

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[–] 8 points 10 months ago

I’m 5’11, 170lbs and drink about 5 liters a day, only drinking when I’m thirsty. It’s not a problem.

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