It's very ugly looking. At first I thought is dino. So I was about to go all lights out and covered for next three days. I guess now I'll just scrub the rock, do I 50% water change and go from there.
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oh yes. thats nasty.What type of algea is this and should I try to remove it? It's starting to grow on the stems of coral.
Hey. Check out his others thread.Something died there and is supplying nutrients to it.
Looks like sponges to me.Hi guys, I’ve read through. And want to confirm your thoughts.
Is this diatoms? It’s in my sump, only in the middle section of 4 stages.
One of the posts says it’s a result of high carbon. Subsequently this part of my sump is where the bag of carbon sits.
Sorry about the pic of the rock out of water. It’s almost like an anemone in appearance when in the water.
Dominic