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Old 08-25-2013, 01:38 PM   #1
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Pump for sump?

Setting up a 90 gallon and making 40 gallon sump, is it better to get a 9.5 mag drive pump or a 12 for the sump?
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Old 08-25-2013, 02:00 PM   #2
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Mag 9.5 will be best.
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Old 08-25-2013, 07:37 PM   #3
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Drilled or hob overflow?
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Old 08-27-2013, 10:45 AM   #4
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Going to be a drilled tank
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Old 08-27-2013, 02:07 PM   #5
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I have a 125 gallon reef and use a 12 and a 9.5.
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Old 08-27-2013, 03:16 PM   #6
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I have looked online at sumps and they very in baffle sizes from 8""- 12" for a 40 gallon. What would be the best size to have cut?
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Old 08-27-2013, 06:50 PM   #7
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Quote:
Originally Posted by Gibb72 View Post
Going to be a drilled tank
Then you will need to size your return pump based on the quantity and size of bulkheads that drain water from the display.
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Old 08-28-2013, 01:47 PM   #8
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consider a diablo/speedwave type DC water pump. They are much cheaper now, give great flow, quiet and have 6 speed settings for your sumping pleasure
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Old 08-28-2013, 02:11 PM   #9
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Will look into them
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Old 08-29-2013, 05:32 PM   #10
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I use a mag 7 on a 75 and I wish I did a 9 because i configured my sump differently with the return in the middle chamber with a t feeding the refugium. I got this idea from Melevs reef but it is really for a bigger sump like a 40b or bigger (mine is a 20 L) I wish I had done the normal setup: dump, fuge, return so all of the pump could be going back to the DT. Oh well live and learn lol.

You can go with a bigger pump and put a T back to the dump then a ball valve to back it down a little so you can get the flow to the DT you want. The flow I get into the DT from my pump is pitiful.

One other thing is the pump is kind of loud from vibration so for my next one I will be looking at a quieter one.

I would do 12 if I were you.
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