What is this stuff?

Hey Guys and Girls,

I have this in my tank at school, and I have no clue what it is. I can scrape it off the glass and blow it off the rocks, and it settles right back down. It seems to multiply like crazy.
Pictures are attached. Any help identifying, and hopefully getting rid of it would be much appreciated.
 
As I understand it, flatworms like this like dirty, low flow areas with a lot of light.

David
 
Thanks everyone. Im researching now. I have a strong feeling they are flatworms, however, I do not feed heavily. I will reduce feedings and siphon as many as I can out. Has anyone tried a Velvet Nudibranch to get rid of them. They sound like a good alternative to Saliferts flatworm exit.
 
When I had flatworms in my tank, I bought a melanurus wrasse, and he wiped them out in no time.
 
So heres the game plan. Get a Melanarus Wrasse to see if he will take the population of these things down safely and then dose Salifert Worm remover. Keep your fingers crossed.
Thanks for advice and comments. Its always an adventure
 
Be careful useing chems they can do more harm then good sometimes. The nudi will eat them and only them so if he eats them all then u gotta feed him and nudis release toxins if they are stressed or die u can always get some arrow crabs they eat flat worms good luck
 
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