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Terryz_
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While planning for my sump, I found out that for external return pump the inlet should not be restricted as in no elbow and pipe reducer... Can someone show how you plumber a external pump? I totally got no clue how should I connect it to the sump... Been using submerged pumps all along...

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Anyone uses SCWD with Eductors?

I have a eductor with Aquabee 3000, it increases the flow slightly but depending of which type you use the flow may be focus vs broad flow of Tunze or Vortech. ;)

"Reefs, like forests, will only be protected in long term if they are appreciated"
Dr. J.E.N. Veron
Australian Institute of Marine Science


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While planning for my sump, I found out that for external return pump the inlet should not be restricted as in no elbow and pipe reducer... Can someone show how you plumber a external pump? I totally got no clue how should I connect it to the sump... Been using submerged pumps all along...

You will need to drill a hole in your sump in order to do so.

As the height of pump differs, it is best to drill the sump on the spot after you have finalized a good pump and have place the pump in its permanent position on some vibration dampening materials (a book wrapped tightly with plastic bag works well for me).

Always choose a good reliable pump with sufficient spare as your external return cuz if touch wood your return fails and you are force to change to another pump with different height or inlet diameter, you will need to use elbow or reducers which will reduce the performance. Or even worst have to change the sump altogether.

;)

"Reefs, like forests, will only be protected in long term if they are appreciated"
Dr. J.E.N. Veron
Australian Institute of Marine Science


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I have a eductor with Aquabee 3000, it increases the flow slightly but depending of which type you use the flow may be focus vs broad flow of Tunze or Vortech. ;)

Hmm.. Dunno which one is it that i am getting also... I know it works with normal pump... Just that within the time that the SCWD is switching, would the eductor be of any use?

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You will need to drill a hole in your sump in order to do so.

As the height of pump differs, it is best to drill the sump on the spot after you have finalized a good pump and have place the pump in its permanent position on some vibration dampening materials (a book wrapped tightly with plastic bag works well for me).

Always choose a good reliable pump with sufficient spare as your external return cuz if touch wood your return fails and you are force to change to another pump with different height or inlet diameter, you will need to use elbow or reducers which will reduce the performance. Or even worst have to change the sump altogether.

;)

Haha, I know... So the hole can be drilled after the sump is made? or show the tank maker the pump so he will roughly know where to drill.

But best the inlet should be straight right?

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Hmm.. Dunno which one is it that i am getting also... I know it works with normal pump... Just that within the time that the SCWD is switching, would the eductor be of any use?

Never connect with SCWD before but I guess is that when the SCWD alternates there might be a slight back siphon. But not much to the extend that you will have a back flush like those of a vortech or wavebox.

"Reefs, like forests, will only be protected in long term if they are appreciated"
Dr. J.E.N. Veron
Australian Institute of Marine Science


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Haha, I know... So the hole can be drilled after the sump is made? or show the tank maker the pump so he will roughly know where to drill.

But best the inlet should be straight right?

Yes, most dril on the spot after placing the return pump to get accurate measurement. ;)

"Reefs, like forests, will only be protected in long term if they are appreciated"
Dr. J.E.N. Veron
Australian Institute of Marine Science


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Never connect with SCWD before but I guess is that when the SCWD alternates there might be a slight back siphon. But not much to the extend that you will have a back flush like those of a vortech or wavebox.

hmmm, maybe the only way is to buy and try.. Lol.. Since no one is using it.

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  • 2 weeks later...

Thanks to Vincent for coming down to my house to measure and give me advices on the tank... Once confirm, will get down to doing it...

Will consider about the Aqualumen lights.. LOL...

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forget about flow accerators. just used SCWD is good enough.

If a man could beat his own fantasy. Then to only breed in captivity. Then its pointless.

Genesis 1:20

And God said, Let the waters bring forth abundantly the moving creature that has life, and fowl that may fly above the earth in the open firmament of heaven. And God created great whales, and every living creature that moves, which the waters brought forth abundantly, after their kind, and every winged fowl after his kind: and God saw that it was good. And God blessed them, saying, Be fruitful, and multiply, and fill the waters in the seas, and let fowl multiply in the earth. And the evening and the morning were the fifth day.

|| Tank: 78" x 30" x 30" || Sump: 48" x 22" x 20" || Lights: PowerModule 10 X 80W|| Returns: 2 x HF32 ||

|| Skimmer: BubbleKing Supermarin 300 || Wavemaker: 3 x 6100 & 1 x 6200, 2 x Wavebox 6212, WavySea ||

|| FR: 2 x FR150 || NR: Sulphur Denitrator || CR: RM Custom Made 8" || KR: Deltec KM500 || TopUp: Tunze Osmolator 3155 ||

|| UV: Coralife 12X 36W || Ozonizer: Sanders C200|| Controller: GHL Profilux Plus II Ex ||

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