help # worm

I have a 180 gallon mixed reef, it has been up and running for about 3.5 years at this point. About 3 months ago we began noticing corals not fully opening and soon after slow flesh recession began. I have only been in this hobby for as long as this tank has been setup, so if there is some...

bug in question, image hosting site is postimages since it came up first. this dude showed up on my GSP in a little barnacle/tube worm looking growth on sunday, noticed in the morning when I was switching lights from night to day the polyps on the GSP were all hiding, waited an hour and came...