Let me know how the project goes.  I like mangroves and was thinking of a solution to have it by the window without plumbing it into my tank.  I change 40 gallons of water every week, but usually a friend comes by and grabs 20 gallons a week to use for his water changes.  I'm quite intrigued by your idea and am tagging along. 
		
	
		
		
		
		
		
	
		
		
	
	
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