...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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[–] 4 points 10 months ago

If it is water, but it has minerals in it, it's not water

If it's water, but it's distilled, it's not water

If it's water, it isn't.

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