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| General Reef Discussion In this forum we discuss issues related to keeping marine and reef aquariums in a friendly flame-free environment. |
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07-25-2006, 05:12 PM
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#1
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Why I get nothing done...
Join Date: Jun 2006
Location: Beaverton
Posts: 2,967
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Plumbing a Sequence Reeflo Dart
I have a 120g tank with a single overflow with a 1.5 (I think) bulkhead. I'm planning on getting a Sequence reeflo dart pump for my return and that pump has a 2" inlet. I know I will probably never be able to run it wide open with my tank since I'm limited on the overflow. My question is, do I really need to use 2" pipe from my sump to the Dart? Can I run 1.5" from the sump and use an adapter on the pump to go up to 2" or does anyone see any problems with this? I would prefer 1.5 since it would take up less room. Wide open this pump runs 3600GPH which will be way over what my overflow could handle. I like the dart because it is quiet and efficient AND because it pumps more than what I need.
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07-25-2006, 05:18 PM
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#2
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Big Fishy
Join Date: Jan 2005
Location: Macon
Posts: 720
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you can do 1.5" on the intake--I called sequence a few times about it. Just no smaller than that.
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07-25-2006, 05:27 PM
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#3
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Why I get nothing done...
Join Date: Jun 2006
Location: Beaverton
Posts: 2,967
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Quote:
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Originally Posted by Jessezm
you can do 1.5" on the intake--I called sequence a few times about it. Just no smaller than that.
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awsome
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07-25-2006, 05:30 PM
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#4
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.
Join Date: Dec 2005
Location: NW
Posts: 11,333
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I just put a reducing adapter on the dart itself on a plumbing project i jsut did....another idea if you think you have too much flow is to put a T on the return and run other stuff with it if you can afford to rob the flow.
I am running my return as well as a phosban reactor for carbon and my chiller off of the dart and the cls with a barracuda.
__________________
I like to glue animals to rocks and put disturbing amounts of electricity and saltwater next to each other
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07-25-2006, 05:50 PM
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#5
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Why I get nothing done...
Join Date: Jun 2006
Location: Beaverton
Posts: 2,967
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Quote:
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Originally Posted by Fly Guy
I just put a reducing adapter on the dart itself on a plumbing project i jsut did....another idea if you think you have too much flow is to put a T on the return and run other stuff with it if you can afford to rob the flow.
I am running my return as well as a phosban reactor for carbon and my chiller off of the dart and the cls with a barracuda.
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Thanks, good pic. I will probably be T'ing off for a few things but it won't be a lot of volume. The Dart probably won't even notice.
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07-25-2006, 07:59 PM
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#6
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The Ninja MOD
 
Join Date: Mar 2004
Location: Planet P.....Why Me?
Posts: 13,624
Reviews: 23
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How big is the skimmer? Sounds like you will be running more water through the sump than a skimmer will process. I would consider using the dart for a CLS and get a return pump that will move about the same as the skimmer will process. No sense in returning un skimmed water to the tank. That Dart would make for a sweet CLS!!!
Robert
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07-25-2006, 08:01 PM
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#7
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Eat more PIE
Join Date: Mar 2002
Location: Florida Panhandle
Posts: 18,610
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I use the Dart on my closed loop works great the 1.5 reducer should be no problem.
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07-26-2006, 10:29 AM
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#8
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Why I get nothing done...
Join Date: Jun 2006
Location: Beaverton
Posts: 2,967
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Quote:
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Originally Posted by motorslave
How big is the skimmer? Sounds like you will be running more water through the sump than a skimmer will process. I would consider using the dart for a CLS and get a return pump that will move about the same as the skimmer will process. No sense in returning un skimmed water to the tank. That Dart would make for a sweet CLS!!!
Robert
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How do you NOT send unskimmed water back to the tank unless ALL your water passed through the skimmer before returning to the tank?
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07-26-2006, 10:39 AM
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#9
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The Ninja MOD
Join Date: Mar 2004
Location: Planet P.....Why Me?
Posts: 13,624
Reviews: 23
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That would be done with an efficient sump design and sump flow equal or less than what the skimmer processes. Not every single drop will get skimmed but keeping it close is good. On the sump Ill be using for the new set up, the tank will drain into the first compartment of the sump. The skimmer pump will pull from the same chamber and the skimmer will return water to the same chamber. The return is rated at 825 gph, the skimmer pump is rated at 1190gph. After you figure a flow reduction caused by two becketts they will be close and water that is returned to the first chamber from the skimmer will, to some degree, get re-skimmed just by way of how the design works.
Robert |
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07-26-2006, 10:40 AM
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#10
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The Ninja MOD
Join Date: Mar 2004
Location: Planet P.....Why Me?
Posts: 13,624
Reviews: 23
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Its just a more efficient way of using everything together. Why pay for all that electricity if its just pushing water? I would rather the electricity Im getting gouged on make a contribution to the water quality. After all, I have the big juice sucker for flow!!!!!! 325 watt Barracuda!
Robert
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07-26-2006, 10:41 AM
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#11
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Anti-Acan Activist
Join Date: Jul 2003
Location: St. Paul, MN
Posts: 2,578
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have any of you had problems with noise from your sequence pumps when reducing the intake down to 1.5"???? I thought I read somewhere that people were having noise issues and they found out they were not able to supply enough water to the pumps intake.
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07-26-2006, 10:44 AM
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#12
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The Ninja MOD
Join Date: Mar 2004
Location: Planet P.....Why Me?
Posts: 13,624
Reviews: 23
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My 'cuda is plumbed for 1 1/2. I dont reduce it. Its not good to reduce the intake below what the housing is built for. Restricting intake shortens the life of the pump. If you need to reduce flow, reduce the output side or better yet install a valve on the output side.
Robert
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07-26-2006, 12:00 PM
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#13
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Why I get nothing done...
Join Date: Jun 2006
Location: Beaverton
Posts: 2,967
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Hmm, I guess I understand your theory but not sure if I agree or not. The skimmer is going to skim the same GPH no matter what you do. You say don't waste the power pushing water thats not contributing to water quality, but essentially that's what a CLS is doing. And you have a huge 325W motor not helping with water quality. MY thing is I don't have a CLS. I don't have any way to do a CLS (easily). I'd like to be moving as much water as I can which I can only do through my sump.
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07-26-2006, 12:04 PM
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#14
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Eat more PIE
Join Date: Mar 2002
Location: Florida Panhandle
Posts: 18,610
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No noise from mine and it is reduced,also my Cl adds oxygen to the water and removes carbon dioxide because it is aimed at the surface so it does help with water quality.
__________________
Double your drive space. Delete Windows
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07-26-2006, 12:09 PM
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#15
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The Ninja MOD
Join Date: Mar 2004
Location: Planet P.....Why Me?
Posts: 13,624
Reviews: 23
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Quote:
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Originally Posted by Casey
No noise from mine and it is reduced,also my Cl adds oxygen to the water and removes carbon dioxide because it is aimed at the surface so it does help with water quality.
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same as mine. It is also pushing the spray bar wich keeps the poop out from under the rocks and in suspension for the skimmer to grab helps water quality alot. Also keeps stuff from settling into the rocks to a degree.
Robert
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