Thanks- I've never seen the strategy in print, so, all I can say is that it makes sense to me. Could be some hidden flaw- but if the water is purified, I don't see any downside to it having been done recently.

Rembember what a friend of mine once said- "the art of food preservation is poisoning it just enough so that bacteria are too smart to eat it- and you're not". <img src="images/graemlins/wink.gif" alt="" />