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			#21  
			
			
			
			
			
		 
		
		
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			 Hey Chin - not worried about the substrate leaching phosphate? I'd be interested to see what kind of PO4 the reactor is emitting. 
		
	
		
		
		
		
			Having said that, I haven't tested my reactor output though because ignorance is bliss!! 
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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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			#22  
			
			
			
			
			
		 
		
		
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 But otherwise, I can't personally see the difference between crushed coral brand A and crushed coral brand B or crushed coral brand C. I am actually in the planning phase of making a closed loop phoshate remover out of a Phosban reactor for the efluent of a calcium reactor. 
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	____________ If people don't die, it wouldn't make living important. And why do we fall? So we can learn to pick ourselves up.  | 
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			#23  
			
			
			
			
			
		 
		
		
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			 No but I thought we're using reactor media over just any old coral gravel because that "reactor media" is intended to have fewer phosphates. I dunno if that's just a marketing gimmick though. But that's why I thought you shouldn't throw things like snail shells in your reactor media and so on. 
		
	
		
		
		
		
			Maybe that's a valid test for comparing various reactor media brands - see what kind of PO4 they emit. Doesn't Marc basically have a recirc stage for the effluent going through some phosban? Sounds like a decent idea to me anyhow. 
				__________________ 
		
		
		
		
	
		
		
	
	
	-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!  |