Looks like I'm the past 4 days lots of cyano has been growing on the sand...even on a few corals. 
Should I be worried? Any tips?
	
		
			
		
		
	
			
			Should I be worried? Any tips?
Increase flow in you tank, so that the cyano can get lifted from the sand and rocks. also you can try to use chemi clean for the non-organic route...if your really desperate