manjano

Hi Everyone! I wanted to share my recent success with using hydrogen peroxide to kill Aptasia and Manjos in my reef tank. I couldn't find a whole lot of details about how to do it so here is my success story. A warning to everyone concentrated hydrogen peroxide. This stuff is dangerous it can...

Hi all wondering if anyone could help identify what this is. It is all over the same rock, and each circle of it varies in size but is spreading very rapidly! trying to figure out if it is invasive and or predatory. thanks in advance