Salt Plains National Wildlife Refuge, located in Oklahoma, is know for its salt flats. I regularly like to walk their hiking trails. This particular day, I decided to walk what is know as Sandpiper Trail. There is water located all along the trail and on this day I happened upon a couple pools of pink water. I didn’t understand why it was pink but new that the salt water on the Plains probably was the culprit mixed with some type of algae. I came home, researched it, and sure enough the pink water was caused from a mixture of salt water and the Halobacteria. I found it to be a very educating walk and quite beautiful for being saltwater mixed with algae.