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#1
04-05-2008, 03:07 PM
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Hole placement for closed loop
I'm currently putting together a 90g 36x24x24 1/2" glass.Ill be using a blueline hd 30x (600 gph a 6' of head) for the overflow pump and a sequence Dart for the CL( i can restrict the flow if needed). I am wondering about number of holes and placement for the Cl. I do not want any lines coming up over the top of the tank. I'm installing a glass overflow box 13x4" foot print if looking down from the top of the tank centered on the back,with 2 holes for a silent overflow. As its made of 1/2 glass as well it sould offer some support for the rear glass. There Is currently 2 holes for 1" bulkheads on the back of the tank up hi in the corners that i will be using for the return lines for the CL. I will be drilling 2 more holes just below them for the Intake's for the CL they will be 1 1/2" bulkheads. Is 2 1 " returns enough for the flow of the dart, or do i need more holes? If so where to place them and the return line/lines for the sump return? I read somewhere you want to keep lines up as hi as possible and do not want them on the bottom so if you do get a leak somewhere you dont drain the whole tank. Sound advice? How close together can i drill holes in 1/2" glass?
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72G bow front 130+ lbs live rock All in one D.A.S sump/skimmer bx1/fresh water top up (bx1= deltec turbo 1250) Currently building a 36x36x24 90g,sequence dart,OM 4 way 2' in 1 1/2 out external overflow,blueline overflow return pump. System Has to be near silent. Single reflector must be rectangular and have enough output for sps on top 2/3 of tank,wherever they are placed. Last edited by mastergunsg; 04-05-2008 at 03:15 PM. 
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#2
04-05-2008, 05:39 PM
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I called Mich at Bow Valley Aquariums, what an awesome guy he answered all my questions in about 5 Min's. In regards to the hole placement and spacing.I would recommend him to all you guys out in Alberta. As far as how many lines for The Cl returns i could still use someones opinion on that.
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72G bow front 130+ lbs live rock All in one D.A.S sump/skimmer bx1/fresh water top up (bx1= deltec turbo 1250) Currently building a 36x36x24 90g,sequence dart,OM 4 way 2' in 1 1/2 out external overflow,blueline overflow return pump. System Has to be near silent. Single reflector must be rectangular and have enough output for sps on top 2/3 of tank,wherever they are placed. Last edited by mastergunsg; 04-05-2008 at 05:42 PM.
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#3
04-05-2008, 05:57 PM
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Where is Bow Valley Aquariums?
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#4
04-05-2008, 07:50 PM
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6423 35 St Se
Calgary, AB
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72G bow front 130+ lbs live rock All in one D.A.S sump/skimmer bx1/fresh water top up (bx1= deltec turbo 1250) Currently building a 36x36x24 90g,sequence dart,OM 4 way 2' in 1 1/2 out external overflow,blueline overflow return pump. System Has to be near silent. Single reflector must be rectangular and have enough output for sps on top 2/3 of tank,wherever they are placed.
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#5
04-05-2008, 09:10 PM
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Quote:
  Didn't even know they existed. Now it's one more place for me to shop!
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