I've had an ORP probe running with my Profilux for 3 years now and although it is cool, I really have no idea what it means LOL.  Well okay, I have an idea of what it means (ie, what it is supposedly telling me at a technical level), but I have never done anything about the readings.  I've seen it fluctuate from the mid 300s to the mid 400s.  I have never reacted to any of my ORP readings though.  If I lost my ORP probe today I certainly would not miss it.  If I could go back in time I would tell myself not to bother with the probe. 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
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