As Frogger mentioned, it is hard to offer any sound advice or insight unless you provide as much information on your tank.  I have a 150g not including sump volume, I have lost a couple fish that I did not find and didn’t notice an ammonia spike at all due to the large volume of water.  I will keep my eye on your thread for more information and try to offer what i can. 
		
	
		
		
		
		
			
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				300g Basement Reef - April 2018 
			 
		
		
		
		
	
		
		
	
	
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