Dec 11, 2013 #1 obscurereef Aquarium Advice Addict Joined Aug 21, 2012 Messages 2,301 Location San Diego Have an interesting light red macroalgae growing on my powerhead. Wanted to know if anyone has a clue what is b/c idk how it got there. Attachments image-608078838.jpg 179.3 KB · Views: 93
Have an interesting light red macroalgae growing on my powerhead. Wanted to know if anyone has a clue what is b/c idk how it got there.