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					Originally Posted by  Madmak
					 
				 
				Home Depot or Lowes has flexible tubing for a decent price, well worth the money to save all that effort.  
I did 50G water changes for a while with buckets that I hauled upstairs to dump, then filled with NSW, then pumped slowly back in to the DT, not fun. 
 
This is what I do now:     
http://www.canreef.com/vbulletin/showthread.php?t=87648 
			
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 That's a sweet set up you have!  Do you have 2 controllers on your system then, one for your wc and one for your tank?  I have a controller on my 180 only.
I was thinking of having a switch by one tank to turn the pump on and off so I can do the water changes without help - someone watching the tank and someone to turn off in the basement.
I think finding some kind of better way for water changes would make them more consistent.