thanks to both of you. Urbanhellfire, what did you end up buying? If i buy Ro water from the water store and then ru nit through a DI like the one JL sells, would that essentially be the same thing? I guess the hard part would be to pressurize the water going to the DI unit as it seems to be set up for a tap. Guess i answered my own question. 
 
What are good units that are reasonably priced? I am not adding to a sump, just into a 5 gal bucket once per week to do my water changes. 
		
	
		
		
		
		
			
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				Fluval Osaka 41g sumpless tank, 250w MH + 130W PC , DIY HOB refugium, Tunze 9002, Koralia 2, Koralia Nano 
 
Toad Stool 
Colt Coral 
Purple Shrooms 
Red Shrooms 
Candy Cane Coral 
Hammer Coral 
Moon Coral 
Copper Banded Shrimp..and growing
			 
		
		
		
		
	
		
		
	
	
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