Tanks looking awesome Jon! 
 
Adding onto the whole switching to RO water and being worried about the zeo. I highly doubt he would be changing all of his tanks water at once. so lets say going with a 5-10% water change it will take quite a while for the tank to actually be 100% ro water 
		
	
		
		
		
		
		
	
		
		
	
	
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