mine do the same thing.. look at it as a positive way if my parameters are good they lay eggs every 2 weeks...   I had problems keeping levels where they should be for about 3 months..  they never layed eggs...    extra fish food for your tank!!! 
		
	
		
		
		
		
			
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				Gerad 
White Rock
			 
		
		
		
		
	
		
		
	
	
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