Beach Bum Montipora infection? Advice needed.

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Science/G

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So I've had this beach bum montipora for years. It's grown pretty well, but at some point last year it lost all of its vibrant color. The color slowly started to come back, but it had one dead spot that was consistently growing algae on it. I used a Dremel and cut away the dead tissue and algae. It healed up nicely and looked great fora while, but now it's getting this reddish looking fur on it. My first instinct is some sort of a fungus, or bacterial infection, it doesn't appear to be an algae though it might be. Any recommendations would be welcomed. I think it's time for a dip, and a move to an area with a little less light. That would actually would be fine with me, because then I can order a Battle Box, and put a couple of acros in its place. The spot it's in gets over 300 par during my peak light hours. I think it's too much light for it.
IMG_20250817_120115.jpg
 
My lights are Reef breeder meridians and t5s. My alkalinity is about 7.5 and fairly stable with all for Reef and Balling B, nitrates 15, phosphates .05, calcium was 424 at last test, magnesium when I test it is always in the mid-1400s.
 
How is the flow? I've had to move my beach bum over the years, its been in high and low flow spots, but I find it does better in higher flow.
 
If you are getting PE, I would say it's related to some type of deficiency or overabundance as your majors all look to be OK. You might also be on the right track with too much light as one of my montis started to bleach when I changed my T5 bulbs to a stronger daylight spectrum.

1755457869413.png
 
Probably some sort of bacterial infection. I'd give it a 15 minute lugols bath and throw it in the shade.
 
I gave it a nice dip today and moved it, it still looks lousy. It's definitely an algae taking hold. I think I'm just going to frag it all around the rim and glue all the edges together. We'll see how it goes.
 

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