Just wondering what the orange critters are I get?
 

When the lights go out, they come out in hordes on the live rock. Look like tiny worms and are orange. Friend or Foe? Sorry, no pics yet.

If it's long and thin they could be spaghetti worms. They are a good part of your clean up crew.

critters
 

possibly bristle worms

^^^. My guess to

Friend as there great scavengers but a large population or large one can mean over feeding