[shilala]

I always thought it'd be a good idea, but aside from all the dust and spores and pollen, it's loaded with copper oxides.
I put a reverse osmosis system under the sink. That way I have distilled water on tap for my salt water fish tank and my humidors. Mine was a high volume one and cost about $250, but they can be had lots cheaper.
We refill our water bottles from it, too. So we really get our money's worth.