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					Originally Posted by  xtreme
					 
				 
				I figure it costs me around $10 in supplements per pail of IO salt. I make my own 2 part formula using littlesilvermax's chems. Since I go through about a pail a month of salt I wouldn't be able to afford $80+ buckets. My tank is SPS dominated and I am getting good growth from most of my corals. 
			
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 +1  
I buy the cheapest salt I can find (which has been IO for years now).  I used to run FOWLR, then got into corals and now have a tank dominated with SPS and just supplement my cheap-o-salt with cheap-o Baking Soda and Calcium.  That's pretty much all I add.