I have a huge colony of it and it is pretty much impossible to kill the thing. Grows fast and is not choosy of lighting. If closer to the bulbs it is grows a lighter color. Does appreciate med to high flow. I notice the polyps tend to come out a couple days after a water change. Don't know why, I suspect a fresh dose of trace elements is the cause of it.
I believe the blue skeleton is from manganese absorbed from the water.
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-=Bryan=-
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