robertshear
New member
Earlier in the day, I saw about a 1x1 square of one of my zoa rocks closed up. I noticed a white "paste" covering them. It almost looked like glue. I know nothing was put in my tank. About 10 minutes ago(about 9 hrs after I noticed this), I took a fine brush and brushed it off the zoas. It came off easily. Any ideas what this could have been?