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Old 05-07-2007, 09:35 PM   #11
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Looks good, are you going to use an auto top off unit also?
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Old 05-07-2007, 11:09 PM   #12
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Gonna get an RO/DI unit with float valve... get a hole drilled at about 11"... that's what the people over at http://airwaterice.com/ suggested.

Thank you for your advice... hopefully this will come alive within the next week or so.

EDIT

Alright... something I slightly overlooked. How the water is exactly going to get into the sump. So, I didn't overlook it too much. I already have a tank that's predrilled MegaFlow.

I was planning on making it a straight shot with PVC in the the LR rubble. PVC would go down ~10" into the tank.

I want this to be somewhat quiet, so I don't know if that will create a lot of noise or not.

I thought about this idea from MegaFlow: http://www.drsfostersmith.com/Produc...1&N=2004&Nty=1

Basically, we leave the inlet at 2". However, the live rock area is 2" wide and 8" deep. The other 4" in depth is so a pipe can come in and basically create that same effect.

The other option is for water to come in on the sides. However, that would require a bit of tank drilling, etc.

Any advice?
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Old 05-08-2007, 09:49 AM   #13
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The way you have it currently shouldn't be an issue with noise, especially with the drain diverted to the fuge with a ball valve.

How many GPH are you running through the sump. Is it one overflow or two?

11" sounds fine for top off which gives you a minimum of 12 gal in the sump (not including the fuge). How many inches high before it cuts off?
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Old 05-08-2007, 10:03 AM   #14
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One overflow box.

I just noticed something... very interesting.

I have an All-Glass Megaflow 90G.
http://www.all-glass.com/products/aq...megaflow.shtml

It says GPH = 600.

My return pump is doing ~900GPH at 5ft.

This may be an issue in of itself, but it seems like I need to restrict my return pump a bit. Would you agree?
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Old 05-08-2007, 10:08 AM   #15
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One Megaflow will max out at 600 GPH and since your pump is more powerful then your overflow instead of restricting it I'd have your drain from the overflow go straight to your sump and the pump return diverted to flow to your fuge so 300 GPH goes to your fuge and 600 GPH goes to the tank.
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Old 05-08-2007, 10:30 AM   #16
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Now that's a smart idea!

Good thing I didn't get any PVC/plumbing yet. LOL.

I'll get two of those flow meters. One for the phosban reactor and one for the refugium.

10 ft - Vinyl Tubing 3/4"

2 Y Fittings

1 Flare Nozzle for the refugium

2 Ball valves

1.5 ft - 1" PVC pipe to go from overflow STRAIGHT into the middle of the LR rubble.

What about a check valve?

Anything else you could think of?
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Old 05-08-2007, 12:42 PM   #17
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Check Valve is always a good idea on the return line. Rest of it looks good as well although I think you will need more then 10 ft of tubing in the end. I'd get 20 ft just in case.
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Old 05-08-2007, 12:56 PM   #18
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More is always better... thank you so much for your advice! I truly appreciate it!
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