I will be building an ATO this evening.  I have one question.
	
I want to make the resevoir big enough to last 4-5 days. By my best guess, I need 10-12 gallons. Is five days too long to let the RO/DI water sit stagnant? Should I add an airstone?
	
Thanks!
	
John
				
			I want to make the resevoir big enough to last 4-5 days. By my best guess, I need 10-12 gallons. Is five days too long to let the RO/DI water sit stagnant? Should I add an airstone?
Thanks!
John
 
	 
 
		 
 
		 
 
		 
 
		