M and I performed a double-blind study of four kinds of water. Our preferences agreed, in order: purified water, filtered tap water, natural spring water, and unfiltered tap water.
(I know the labels here don’t make sense. They were the first four Greek letters I could recall.)
What’s the difference between purified water and filtered tap water?
The purified tap water came from a professional supplier, I reckon it was made with some fancy evaporator or reverse osmosisifier. The filtered tap water was just tap water run through a carbon filter.