Weird growth

[tomstanks]

I have a 155 FOS that is having a odd pinkiish growth on the bottom of the tank...in all my years of fish keeping I have never seen the like....it smells too....Any idea what it is?

 

[Salt Freak]

cyona *spelling its a type of bacteria is it slimy how high are your nitrAtes they love a high nutrient tank. do you have any water movement they don't like water movement.