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					Originally Posted by  Frynoodle
					 
				 
				R u really sure the way you check the "chart" is correct? 
For Red Sea, We should check the the titrant we used, not the titrant (ml) remain Syringes. 
I use Kent as well, I always feel the mg always below what they say. 
			
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 I know, that's what I've been doing, but I haven't checke the fresh batches of mixed water.  The >1500 readings are on tank water...
 
I will check some mixed saltwater and report back.
 
Sorry for the hijack....