So I thought I was having a diatom algae bloom. Well today I noticed brown stringy stuff on my xenia. And after closer examination I saw it on some of my zoas and makes since as to why they have been closed. The tank is about 4 and half months old. What do I need to do to beat this? I just recently got a beautiful branching hammer and a. Duncan and a sunny D zoa I do not what to lose them to dino. Any tips or advice greatly appreciated. It's a 20long. With 1 ai prime 16hd. I dose red sea AB+ every other day. I run lights for a total of 12 hours.