PEX tubing vs. copper for drinking water
Our architect is highly recommending that the builder of our new home uses copper piping to the sites (like kitchen, bathroom faucets) from which water will be routinely drunk - the concern is potential chemicals leached from PEX piping. Copper is much more expensive to install than PEX. A realtor acquaintance said that he had not seen people concerned with all PEX piping in a potential purchase. What is the collective wisdom of using all PEX (cost effective) vs. selective copper tubing?