Yah saliva as in spit test, not sal via
LNyen Reviewed by LNyen on . Saliva Tested ** Blue Swab? I was just wondering if anyone knew anything about a saliva cotton swab test.. i had the swab in my mouth for about 5-10 minutes and when i took it out i had a foul taste in my mouth and the swab started to turn BLUE? can someone tell me if this is a good or bad sign? Rating: 5