The Smyrna Water Treatment Plant has two (200pk) unopened boxes of Colilert-18 that were ordered by mistake & unfortunately IDEXX does not accept returns once the items have left their facility. We are wanting to donate them to any plant that might be able to use them. Please contact Jeff Knowles at jeff.knowles@townofsmyrna.org or (615) 459-3574 ext. 3313 for more information.