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#1
11-20-2009, 06:59 AM
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Ok so a change of plan. Im going away from the SQWD idea and will be using an OM of some sort. Either build my own or buy one. So i have 2 designs to pick from for tank layout:
Option1: Rear overflow box, im concerned about the depth of the box not being enough and getting a gurgling sound from my herbie???  Option2: Centre overflow:  Which one would you pick based on cost to manufacture, ease of maintenance and also asthetics ( My main concern!, I hate seeing equipment etc, even outside of the tank ). Mr OM, the drawings are just for ideas and proposed layout, when i build im down to millimeters!! 5 Year engineering apprenticeship fundamentals drilled into me!!!! I cant be bothered to do a fully accurate CAD drawing for something i will be building. If it was for someone else to build, now thats a different story!!! Any help would be much appreciated VR
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View my Aquarium & Reef Controller build here:  The Ultimate DIY Aquarium Controller of the 21st Century!!! LED's, PH, Salinity, Clock, LCD, ATO, Auto Water Changer, Variable Speed Cooling Fan Control and lots, lots more...... Last edited by Vancouver Reefer; 11-20-2009 at 07:06 AM. 
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#2
11-20-2009, 07:29 AM
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...................and you know i couldnt resist!!!!!
  
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View my Aquarium & Reef Controller build here: The Ultimate DIY Aquarium Controller of the 21st Century!!! LED's, PH, Salinity, Clock, LCD, ATO, Auto Water Changer, Variable Speed Cooling Fan Control and lots, lots more......
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#3
11-20-2009, 07:34 AM
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If you are concerned about the herbie then do the overflow deeper, lose just 2 outlets from a 2 way at the bottom of the back of the tank, the upper 2 are doing nothing to help the flow anyway the way they are drawn, get the water to move from back to front at the bottom, fire the sump returns down the back glass, by doing this the surface water will move from front to back and get the best pre skim.
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#4
11-20-2009, 04:37 PM
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You mean like this:
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View my Aquarium & Reef Controller build here: The Ultimate DIY Aquarium Controller of the 21st Century!!! LED's, PH, Salinity, Clock, LCD, ATO, Auto Water Changer, Variable Speed Cooling Fan Control and lots, lots more......
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#5
11-20-2009, 05:30 PM
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Yes, but even lower so you blow across the surface of the sand and get the detritus up into the water column. your returns from the sump will point down the back and effectively the whole tank will rotate backwards.
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#6
11-21-2009, 03:50 AM
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Ok so i get about lowering the returns from the OM and getting them to blow across the sand bed, but are you also suggesting i put elbows on and blow the return water directly at the bed??? That will stir up the bed every time the flow hits it???? Or am i missing something????
__________________
View my Aquarium & Reef Controller build here: The Ultimate DIY Aquarium Controller of the 21st Century!!! LED's, PH, Salinity, Clock, LCD, ATO, Auto Water Changer, Variable Speed Cooling Fan Control and lots, lots more......
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#8
11-21-2009, 03:56 AM
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The flow from the return pump goes into the OM....
Like this..... 
__________________
View my Aquarium & Reef Controller build here: The Ultimate DIY Aquarium Controller of the 21st Century!!! LED's, PH, Salinity, Clock, LCD, ATO, Auto Water Changer, Variable Speed Cooling Fan Control and lots, lots more......
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#9
11-21-2009, 12:50 PM
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The picture is perfect but this should be for a closed loop, not for a return, this will drain the tank if the power goes off.
Keep the sump/water treatment plant and return pump completely separate from your closed loop/tank flow system.
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Hybrid Mode
