Bristtle Worm good or bad?

[fsjman]

This type of worm will eat all the stuff where your cuc would not be able to get at like in your sand in the tiny holes in your rock they are good to keep. dump them in your tank or back in the filter

[marie]

Keep it. I've seen a large bristle worm mow down an inch square patch of hair algae in less then an hour.

[Wayne]

Well they are headed back into the tank then! The big one is probley at least 10cm long when streched out. Hoping they will do some good. At the very least its more natural. Thanks