Posted by Bob G. on August 15, 19101 at 08:44:45:
In Reply to: Something I'd like to pass on posted by Faith on August 14, 19101 at 22:35:38:
Two Web sites that might be of interest regarding this subject:
www.nitroxdiver.com/Library/coldreg.html
www.divernet.com/news/items/cold060601.htm