I never had issues but the bait actually starts decaying right way so if you don't catch the crab for a few days it may be rotting and could affect water quality in a newer/smaller tank. 
		
	
		
		
		
		
			
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				72 gal bowfromt mixed reef sps dominated, 25 gal mineral mud type sump/refugium  Skimmerless 
2x250 14000k phoenix hqi  2x96 pc actinic, 50x flow 
			 
		
		
		
		
	
		
		
	
	
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