Bacteria Mats Bacteria Mats cause the wide variety of color seen around hot springs. Bacteria responds differently to different temperatures of the water coming out of mineral rich hot springs. Bacteria Mat I Bacteria Mat II Bacteria Mat III Post navigation Previous post Grand Prismatic SpringNext post Interest in Windows 8 Is Too Early to Tell 0 comments on “Bacteria Mats” Add yours → Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.