tag:blogger.com,1999:blog-6673091514910383162.post6704570457080335502..comments2022-06-27T22:55:09.261+03:00Comments on Winoblog: UCA_5B_3: Day 30 (Germán López Toledo & Miguel Bruzón Lobatón)Hera Karayannihttp://www.blogger.com/profile/03562209355698786356noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6673091514910383162.post-58530937403980807182017-06-26T16:54:30.106+03:002017-06-26T16:54:30.106+03:00You have a very nice looking column. Purple and gr...You have a very nice looking column. Purple and green sulfur bacteria at the top and lots of sulfate reduction occurring at the bottom. <br /><br />The rest of the post unfortunately is difficult to comprehend. To which acid are you referring to? Hydrogen sulfide? Can you check if this "acid" or the reaction that produces it actually increase or reduces the pH of the medium? What is the typical pH of marine sediment?<br /><br />Let's see how your column evolves.Anonymoushttps://www.blogger.com/profile/16671538935478091986noreply@blogger.com