Quote:
	
	
		
			
				
					Originally Posted by  bv_reefer
					 
				 
				-all i can say is that it works for me, i used caribsea aragonite and my pH is 
static at 8.5, doesn't go up or down so no need for baking soda-   
			
		 | 
	
	
 pH is not a good measure of buffering capacity or of carbonate hardness. What are you alkalinity levels without using a buffer/builder additive?