I do it for periods longer than a few weeks and have noticed no degradation. - Steve N
________________________________ From: Shirley Reed [mailto:pj20fl...@gmail.com] Sent: Thursday, August 06, 2009 3:52 PM To: silver-list@eskimo.com Subject: CS>CS and DMSO Anyone know if CS and DMSO can be mixed in a spray bottle for a few weeks (maybe) or so and not lose its strength?? tia pj