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					Originally Posted by  fkshiu
					 
				 
				Randy Holmes-Farley is the MAN! 
 
I do a CaRx with kalk as well, but my kalk reactor is passive meaning that I don't have anything like powerhead stirring it up.  It's just hooked up in my top off resevoir as part of my osmolator.  I mainly use it to keep pH up as opposed to supplying the tank's Ca and Alk needs. 
			
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 Hey Fkshiu, 
how exactly do you run your kalk with your osmolater? I have a reservior with an osmolater and am interested in hooking something like that up.