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					Originally Posted by  mrhasan
					 
				 
				4. ATO: I will be getting tunzi nano. Will be around $130 and includes pump. Thought about getting hydor but the 1cm difference between the two probes might not be great for such a small tank. The ATO will be connected to power outlet directly and for 24-7 
			
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 I run the Hydor with a Toms Aqualifter. Flawless after 1 year. Would cost you about the same. Just a thought