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Old 07-10-2012, 06:03 PM   #1
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Sump/Refugium Design Feedback

Greetings! I am looking for feedback on my design for a new sump. I am using a 40 gal breeder to make the sump. My tank is a 125gal reef tank. I have all my parts. I bought 2 HOB 4" filter socks attachments, and a new Mag18 return pump. My design is attached. I am going to use 1/4" glass for the baffles and the space between each baffle is 1". My two concerns on the design are: 1) I would like a larger refugium chamber 2) concerned about the 8.75" return chamber since that is where I will have evaporative loss. Should that be wider?

I have set the baffles at 10" because that is the depth of water that my protein skimmer currently works in. That leaves me with 6" of unused space on top. Do you think that I should go higher with those baffles to get more volume in the sump? I need to accommodate about 11 gals in the event of a power outage.

I appreciate your critique and suggestions!
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Old 07-10-2012, 06:11 PM   #2
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You can always get a lil more height by putting the skimmer on a stand and to solve the evap problem you could go with an ato then it really wouldn't matter how large your return section is
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Old 07-10-2012, 06:12 PM   #3
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And you'll also wanna put the baffles gradually lower about a half inch difference
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Old 07-10-2012, 06:18 PM   #4
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Evaporation will come out of your return pump section. That is not much water in there. You plan on ATO system too?

You could get rid of the baffle far right. Will get another 1" of water. Unless you want the full bubble trap. Can always put a sponge in baffle right after refuge too minimize bubbles, if any. Or if you keep that baffle you can make that taller to add volume in return section.

They also make a calculator to figure out gallons by size. Google it. If you need 11 gallons for display to drain you can possibly make all baffles taller to add volume to entire sump.

When my display drains into my sump it fills my 55 sump about 1" from top. Get as much volume as I can.
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Old 07-10-2012, 06:23 PM   #5
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Quote:
Originally Posted by Mrc8858
And you'll also wanna put the baffles gradually lower about a half inch difference
Why do I have to do that? Just wanna understand how this all works.....
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Old 07-10-2012, 06:27 PM   #6
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Here's a calculator that will help you set the baffles. Conversion Calculators for Aquariums, Metric Conversion Volume and Temperature, Measurements Conversion Hardness Equivalents

+1 for the ATO best $$ iv'e spent
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Old 07-10-2012, 06:37 PM   #7
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By dropping the height you completely section off each compartment it isn't mandatory just the main practice I've always seen and used
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Old 07-10-2012, 06:46 PM   #8
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Quote:
Originally Posted by Mpfaff77
Evaporation will come out of your return pump section. That is not much water in there. You plan on ATO system too?

You could get rid of the baffle far right. Will get another 1" of water. Unless you want the full bubble trap. Can always put a sponge in baffle right after refuge too minimize bubbles, if any. Or if you keep that baffle you can make that taller to add volume in return section.

They also make a calculator to figure out gallons by size. Google it. If you need 11 gallons for display to drain you can possibly make all baffles taller to add volume to entire sump.

When my display drains into my sump it fills my 55 sump about 1" from top. Get as much volume as I can.
No ATO in the plans yet, but maybe I should consider one. I could increase the size of the fuge quite a bit then. I did the calculator thing and I think I need 4" to accommodate just over 11 gal. I guess that I could go to 12" on the baffles
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Old 07-10-2012, 06:57 PM   #9
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Good deal. You can also get 1/8" thick glass. Instead of 1/4" acrylic. Goto you local glass shop get them cut. Glass is surprisingly cheap. Looks like you got your plan. Refugium could sacrifice some space. You can make refugium deeper than wider so can put like 5 or 6" sandbed. Bigger refugium is better but at our scales it isn't gonna effect much if loose a gal or 2 in volume to refuge.
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Old 07-10-2012, 08:15 PM   #10
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So, any product recommendations for an ATO? Are there any that can be hooked up directly to an RO water source. I am lucky to have a line in the closet where my tank in built in, so if I could hook one up directly to the line I wouldn't have to worry about filling a reservoir.
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