Reverse Pressure Softening. There is an article in current JHL The autthor, Jean Cotternman is a Lactnetter. Try archives, she's written a lot about it on line. If you don't have access to JHL, please e-mail me privately. Sincerely, Pat in SNJ *********************************************** To temporarily stop your subscription: set lactnet nomail To start it again: set lactnet mail (or digest) To unsubscribe: unsubscribe lactnet All commands go to [log in to unmask] The LACTNET mailing list is powered by L-Soft's renowned LISTSERV(R) list management software together with L-Soft's LSMTP(R) mailer for lightning fast mail delivery. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html