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It is pretty common knowledge in the area, especially with all the brewers of beer and coffee who care quite a bit about water composition.

The city regularly publishes tests breaking it all down:

http://www.seattle.gov/utilities/your-services/water/water-q...

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Well, outside the area who knew?

Is it really possible that lower TDS makes better water and better water makes better beer and coffee?

I guess that could make it a double-blind test.

I wonder how significant the number of participants is over what length of time and how it compares to the numbers and species in the laboratory rodent work.

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