is my fully cured live rock dying??!?!

Hadstuff

All my water paramaters are alright, and fish are thriving, but ive noticed some of the coraline algae turning white?!?! this is the first time ive ever seen this happen, or better yet noticed it. is there somthing wrong with the tank?

livestock:
1 baby purple chromis
2 emerald crabs
3 red legged crabs
1 turbo snail
1 peppermint shrimp

Reefing Madness

Need water parameters.
Magnesium
ALK
Calcium
PH
Nitrates
Phosphates
KH
Coralline needs these items to be correct in order to grow and spread.

Hadstuff

Nvm, i looked at pictures from when i put it in the tank, those whitespots were still there... i guess i just looked more closely at the LR yesterday...