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			 What should the Ph be when coming out of the second chamber? My second chamber is just a run through so that the media can mix with any remaining Co2, and also to help elevate PH. So I can't figure out if the first chamber which is mixing with the CO2 is at a low enough PH. 
		
	
		
		
		
		
		
	
		
		
	
	
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			#2  
			
			
			
			
			
		 
		
		
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			 The pH in my second chamber is not significantly different than the first.  The difference is like 0.01.  (I run the first chamber at a target of 6.7).  I don't know if that means I'm running the effluent too quickly (60ml/min) but anything less than that and the levels start to drop, so, I don't have much wiggle room. 
		
	
		
		
		
		
			I would take a few measurements of the pH in the first chamber (disconnect the second chamber temporarily). Then at least you know what's happening in there without guessing from the second chamber's pH. 
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	-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!  | 
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			#3  
			
			
			
			
			
		 
		
		
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			 isn't the second chamber suppose to be 7.0 
		
	
		
		
		
		
			to equal out what the rector puts out . mike 
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	180 starfire front, LPS, millipora Doesn't matter how much you have been reading until you take the plunge. You don't know as much as you think.  | 
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