ATO will make your life better. 
period. 
 
set up is easy, I use a tunze osmolator. 
no drilling required, all you do is mount the infrared sensor at the appropriate level and then put the pump into some r/o water with the return also mounted in your tank and your off... 
 
 
aside from my aquacontroller, best piece of equipment I have ever bought. 
		
	
		
		
		
		
		
	
		
		
	
	
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