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Old 06-01-2005, 10:14 AM   #1
bob30329
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Overflow Standpipe & setup questions


110 gallon acrylic with 22" tall center overflow with two 1.75 inch drain holes.

I plan to run one drain to the refuge, the other to the sump. Both will have ball valves to control the flow.

Premium aquatics says this is a 1" bulkhead. is this correct?

What is the best standpipe? Looking for quiet operation, but have read horror stories about Durso.

Any ideas about the best setup for this?
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Old 06-01-2005, 10:39 AM   #2
mojo
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Quote:
Originally Posted by bob30329
I plan to run one drain to the refuge, the other to the sump. Both will have ball valves to control the flow.
Most people will recommend against any kind of valve or other restriction in your drains. Imagine a fish or something falling in your overflow...

Quote:
Premium aquatics says this is a 1" bulkhead. is this correct?
Yup, just don't use Sch 80 bulkheads - they're a different size.

Quote:
What is the best standpipe? Looking for quiet operation, but have read horror stories about Durso.
I don't think there's a "best" - just go with what works. Fortunately, each type costs ~$5-10 in pvc, so it's easy to try several versions and see what works for you.

Quote:
Any ideas about the best setup for this?
Personally, I'd use on drain for your durso and the second drain as an emergency drain, with a pipe slightly higher than the durso, just in case anything blocks the durso.
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Old 06-01-2005, 11:01 AM   #3
bob30329
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Drain valves?


Quote:
Originally Posted by mojo
Most people will recommend against any kind of valve or other restriction in your drains. Imagine a fish or something falling in your overflow...
How do I limit the flow to the refugium? I wuz thinking slow flow to the fuge and the rest goes to the skimmer section...
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Old 06-01-2005, 12:55 PM   #4
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Your gonna want to use durso stand pipes because they are the quietest and weather people want to believe it or not they will increase the flow that you can put through each bulkhead because they use the head pressure created by your return pump to forcefeed water down the standpipe. I will be happy to make you a pair of dursos (dont worry jesse im not selling yours lol) if you will come to lawrenceville to pick them up or meet me when i am out and about. I guess you can put a ball vavle on one of the standpipes and not the other. If you do this you should uses strainers (which i also have) on the 90* section of the dursos to keep any fish from possible pluging on of your pipes. I do this anyway on all the systems i plumb for security.
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Old 06-01-2005, 01:15 PM   #5
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What about running the supply to your fuge from the output of your skimmer. You could modulate flow with a valve and divert the rest back into the sump! From what I have read, this seems to be a preferable way to plumb in the fuge.
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Old 06-01-2005, 01:46 PM   #6
SlavicSavage
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You could also T off the drain thats going to the refugium and have half of it go to the fuge and half of it to the sump, and then if that was still too much flow through the fuge you could put reducers on it for even less flow to the fuge
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Old 06-02-2005, 09:47 AM   #7
georgiajams
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Quote:
Originally Posted by bob30329
have read horror stories about Durso.
Do tell. Not sure what horror stories you are referring to.

If you are worried about drain clogging, which can happen with any standpipe, put in some type of strainer. On my durso I have attached a PVC pipe extension onto the intake portion of the Durso. The PCV extension has numerous slits sliced into it with a miter saw, and an endcap on there also has several holes drilled. Works great.

You can kind of see it here.
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Old 06-02-2005, 09:54 AM   #8
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Oh, and for the ball valves.

(1) I used to have them on my 120 drains. I agree that you preferably don't want them, but it did allow me to put a tad of backpressure on the drain to help adjust the durso... Again, I don't think it is needed with a properly sized pump (I had 2 x 1.5 in drains on that puppy).
(2) I'd branch off the return, rather than the drain, to supply water to the fuge. You have more control this way. If you branch off the drain, it will be hard to keep a consistent flow to the fuge (especially if you want it to be slow).

Personally, I now have a maxijet supplying water from the main part of the sump to the fuge so I don't have to screw with all the fancy plumbing. Plus, I get a consistent flow rate to the fuge, which is impt to me for controlling the noise of the water coming back into the main part of the sump.
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Old 06-02-2005, 11:08 AM   #9
bob30329
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http://thereeftank.com/forums/showth...ighlight=Durso

and there was one about ther durso getting clogged with a snail.

Hey - I'm just a lowly newbie here feeling my way...

Cheers,

Bob
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Old 06-02-2005, 02:48 PM   #10
schigara
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To regulate the flow into my fuge, I T'd off of the return pump with a ball valve. About 95% or more of the flow goes back up to the display while about 5% goes over into the fuge.
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Old 06-02-2005, 04:59 PM   #11
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It might be OK to put a ball valve on the drain line feeding your refugium. However, I would strongly advise you not to put any sort of valve on your main tank drain line. If your drain line to refugium should ever fail or clog, the main tank drain line, if left free-flowing and unobstructed, will pass all of the water draining from the tank.

I think a better alternative would be to either install a tee in you return pump outlet with a ball valve to control flow to the refugium, or to get a separate feeder pump to feed the refugium; A maxijet or maybe even a Minijet 606 would work well depending on the size of your 'fuge.

- Michael


Quote:
Originally Posted by bob30329
110 gallon acrylic with 22" tall center overflow with two 1.75 inch drain holes.

I plan to run one drain to the refuge, the other to the sump. Both will have ball valves to control the flow.

Premium aquatics says this is a 1" bulkhead. is this correct?

What is the best standpipe? Looking for quiet operation, but have read horror stories about Durso.

Any ideas about the best setup for this?
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Old 06-03-2005, 09:47 PM   #12
bob30329
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Looks like a tee off the return is the consensus. Thanks for the advice!

I should have lights, stand, sump and hopefullly dursos next weekend and can get started setting all this up. Maybe I should buy a case of beer and invite some of you oldtimers to help...

Thanks again,

Bob
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Old 06-04-2005, 12:05 AM   #13
twd4
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Here is an one of them. You will notice that there are holes around the perimeter of the durso. This is a safety feature that will allow water to flow through the pipe in the event the hole in the top of the durso cap gets clogged or covered and the black strainer keeps anything from getting into the pipe.
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