Silver Puppy Generator Jun 20, 2013 9:20:45 GMT -6 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by ozo on Jun 20, 2013 9:20:45 GMT -6 I have been using the First Generation Silver Puppyfor over ten years. It makes very good CS.I use a PPM meter to check the strength....and ALWAYSuse ONLY distilled water.silverpuppy.com/