Fluorescent Orange Spot on Rock
- Thread starter ChrisKSB
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GK3
Valuable Member
Did you remove something recently? Kind of looks like what happens when you chip off Carolina algae.It is very vibrant and pretty - any idea what it is? Picture doesn't really show how electric it looks...
OP
OP
ChrisKSB
King of GHA Farmers
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- Santa Barbara, CA
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- California
Nothing removed...still just starting to grow coraline around the tank. No coral... Not concerned, just trying to learn as I go... 
jdsmith0524
New Member
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- Cedar Lake
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- Indiana
Did you find out that's an Orange Honeycomb sponge?
