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Old 02-18-2008, 06:14 PM
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Default Sump question

I have noticed that the usual sequence of peoples sumps is intake compartment with skimmer/ refugium/ then return. Why is this? Wouldnt the refugium benefit more if the skimmer was placed after the refugium?
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260g mixed reef, 105g sump, water blaster 7000 return, Bubble King SM 300 skimmer, Aqua Controller Jr, 4 radions, 3 Tunze 6055s,1 tunze 6065, 2 Vortech MP40s, Vortech MP20, Tunze ATO, GHL SA2 doser, 2 TLF reactors (1 carbon, 1 rowa). http://www.canreef.com/vbulletin/showthread.php?t=50034 . Tank Video here http://www.vimeo.com/2304609 and here http://www.vimeo.com/16591694
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Old 02-18-2008, 09:08 PM
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I have had many sump designs, and like my current setup best.

1. Display tank flow enters skimmer compartment at end (semi-recirculating zone), and overflows to center chamber filled with LR & eggcrate (Berlin/benthic zone)
2. With a ball valve, display tank flow is also metered to a refugium section at opposite end, which has it's own sand or mud bed. The water movement through this section is slow and doubles as a pretty good pod factory.
3. The center chamber is where water scrubbing (Rowa, etc.), and water monitoring/adjusting is done and is also where the return pump draws water.

I think the biggest hurdle with a center-draw sump is micro bubbles, but solved if there is a sufficient pile of LR (or like) over the return pump inlet. This can be done with a minimum of baffles which can be a waste of precious space if you ask me...
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90gal Starfire mixed reef, 400W MH (Giesemann 13K megachrome/Icecap E-ballast), (2) 54W T5 Giesemann true actinic, 45gal sump (65W 50/50 PC), ASM G-3 Skimmer, Mak 4 return, Sequence Dart closed loop, foam backdrop, 120 lbs LR, 2" sandbed, & 1 dillhole running the show.
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Old 02-18-2008, 09:19 PM
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Quote:
Originally Posted by fishytime View Post
I have noticed that the usual sequence of peoples sumps is intake compartment with skimmer/ refugium/ then return. Why is this? Wouldnt the refugium benefit more if the skimmer was placed after the refugium?
The advantage of the usual setup is any pods in the refugium can return to the main tank without going through the skimmer
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