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					Originally Posted by  reefwars
					 
				 
				alk and phos are awesome calcium sucks, lr i like the ulr not so much   
			
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 I use a Hanna kit for alk and I also read that Calcium wasn't as good as the elos kit.  I should have listened to Dave/Denny at Concepts as the Elos kit for phosphate is fine but comparing colors at low levels is not as good as a digital reading.