I use Randys 2 part and I mix 4 litres at a time, then use it till its all done ( I manually dose) and have not had any settling out. 
		
	
		
		
		
		
			
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				RSM 250. Clownfish,  Fox face, Blue tang, Yellow tang, Kole tang, Clown tang, Coral beauty angel, French Angel, splendid dottyback. CUC, softies, lps, sps.
			 
		
		
		
		
	
		
		
	
	
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