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					Originally Posted by  Aquattro
					 
				 
				Yes, and I'd say that's happened more in the last month. PO4 really shuts down growth. I have NO3 somewhere between 2 and 50, closer to 50 I'm guessing, but that doesn't seem to bother much. 
			
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 Haha, yeah PO4 is the devil.  Uhm, 50 is large.  Why do you not have a more accurate reading?  
