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Pink/Purple things on live rock? Possibly coral?

5K views 4 replies 3 participants last post by  megacoolguy10 
#1 ·
I got some live rock off a guy on craigslist. His setup was amazing and he sold me the rocks at $3 a pound. I have notices these things, seem to have white tips that look to be floating but then I noticed they/it has a purple/pink color to them and they are in two spots. IDK what it can be, can you tell? It seems to be growing even though it is still under 1 50/50 t8 bulb. Getting a new t5ho soon, decided to go with the t5 and not the LEDs but i don't mind.
 

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