Is it advisable to drink the Yin-Yang Water 20 minutes or so before eating breakfast?

I used cold mineral water and water from the tape that I have boiled. Is it also possible to use cold tape water or is it important to use two different kinds of water?

[This message has been edited by kami (edited May 30, 2005).]

[This message has been edited by kami (edited June 01, 2005).]