Sorry Andy, but stainless steel can rust (corrode.) Several years ago I managed some R and D projects studying corrosion. Take a small cylinder of stainless steel, yes, even 316, and put a rubber o-ring around. Place it in a common salt solution for a few weeks and you will find corrosion near the o-ring. And not all stainless steel alloys are the same. Some are magnetic (less corrosion resistant) and some are not magnetic.
You stick to botany and I'll stick to chemistry. Paul Simon _______________________________________________ the OrchidGuide Digest (OGD) [EMAIL PROTECTED] http://lists.orchidguide.com/mailman/listinfo/orchids
