yeah, i had did the phos RX before, and it worked well, i think it was chowder that had a DIY post for this kind of RX.  
 
mine worked well, only thing was it was hard to start the primeing of RX as well, when i glued it, i didnt put a sleave inside the RX for the zeolites, and they would always get wedged inbetween the red plastic bottom and the side of the RX when priming. 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
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