Reef nutrition

What are these white "pods" in all my crevices and caves?

kinetic

Supporting Member
Just noticed a huge bloom of these weird white things in every crevice/cave that doesn't have light.

What is it? Should I be worried?
Lightroom-2-2-v10_lrcat_-_Adobe_Photoshop_Lightroom_Classic_-_Develop.jpg
 
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