Mine lasted about that long. 
If you're looking for good top off pump get dosing pump (peristaltic). 
		
	
		
		
		
		
			
				__________________ 
				Denis
 
150g SPS reef;3x250WHQI,Tunze Streams,Wavebox,Neptune Apex,fishroom in basement   ,reefing since 93,SPS since 99.
 TOTM June 2010
			 
		
		
		
		
	
		
		
	
	
	 |