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		refrigerate them-it slows down their cycle.rotifers can be refrigerated for more than a week.to bring them back to full metabolism,undo the cap and let them sit for four hours.phytoplankton can be stored for a month in the fridge.for both they should be shaken twice a day so the cells don't smother,and the rotifers,don't settle too much.not sure about copepods as i just started them ,but refrigerating them should slow them down as well.you can also freeze phytoplankton for up to three months 
		
	
		
		
		
		
		
	
		
			
			
			
			
			
			
			
			
			
				
			
			
		 
		
	
	
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