Primers out overnight By Home › Forums › PCR Forum › Primers out overnight This topic contains 1 reply, has 2 voices, and was last updated by Daniel 9 years ago. Author Posts October 31, 2009 at 12:09 pm #1389 PaulaParticipant I accidently left my primers out at room temperature overnight. Are they still ok? December 15, 2009 at 12:09 pm #1390 DanielKeymaster Most likely yes, especially if you store them in 10/0.1 TE. Daniel Tillett Nucleics Support Author Posts You must be logged in to reply to this topic.