Cyanobacteria outbreaks can be tough to handle without chemicals! Consider increasing water circulation and adding algae-eating fish or snails. For a fun break from the stress, try the exciting <a href=""></a>!
It sounds like you've discovered some fascinating critters in your reef tank! Tiny worms are common in marine tanks and could be beneficial detritivores or harmless plankton. However, if you're concerned, monitoring their behavior is a good idea.