What's this red thing growing out of tongo branch?

It just popped up the other day, the tank is finishing it's cycle.
I just want to make sure it's an ok thing & not something I have to get rid of. It's just on my tongo branches.
 

spanko

Active Member
Oh yeah. I find things in the rocks almost two years down the road that I have never seen before. Get a magnifying glass, you will be amazed. Of course if you are not already, a magnifying glass immediately turns you into a reef nerd!
 
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