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					Originally Posted by  Myka
					 
				 
				The calcium and alkalinity need to be in a proper ratio to each other, and balance is more important than the actual number they are at...within reason.  Check the link in my signature for an easy read on the relationship between the different key elements.   
 
Balanced calcium and alkalinity:
 
350 ppm to 1.4 dKH 
375 ppm to 2.1 dKH  
400 ppm to 5.6 dKH 
425 ppm to 9.1 dKH 
450 ppm to 12.6 dKH 
475 ppm to 16.1 dKH  
			
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 You just made my day Mindy.  My calcium is about 460 ppm with the almost about 16 - 17 dKH .....  I though my parameters were way off with the high dKH.  Thanks so much 
