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					Originally Posted by Delphinus
					
				 
				Do the seaswirls run off the water pressure or do they have an independent motor?  I can't remember. 
			
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 Yes...they have there own little motors in them...they do not require a certain flow....... 
 
ok...the I's have it I will run the fuge off just after the pump..... 
 
1 inch all the way around  

  Roger that  
 
So.....what your saying is that the return loc-line on top of the tank should stay 3/4  with a 1in pipe behind it ?
Im thinking about adding a closed loop (at maybe 300-400GPH) to the tank I could use a J tube out of 1in and hook over the tank then add 1 more bulkhead on the back of the tank (since I'm drilling 2 anyway) or even another for the clossed loop intake....AAAAAAAAHHHHHHHHHHH STOP......BRAIN OVERLOAD.... 
 
To drill my tank I will be droping the water level down to aprox. half....then do the work....hope to set up another tank for the occupants
I hope to borrow this tank for a few days.........
MY WIFE IS GOING TO GO APESH** ON MY A**....... 
 
Thanks guys