Over the past couple of years my GSP has really started to spread. It seems to me that between water changes I am supplementing more cal/alk/mag. 
Is it the GSP using the tanks nutrients? I probably should just get rid of the rocks covered with the stuff, but I like the wave motion.
	
		
			
		
		
	
				
			Is it the GSP using the tanks nutrients? I probably should just get rid of the rocks covered with the stuff, but I like the wave motion.
 
	 
  
 
		
