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Old 12-19-2009, 06:38 PM   #1 (permalink)
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Default How do I do this??

Im looking at something like this: http://www.bigalsonline.com/BigAlsUS...x5outputnozzle

I want to fit a U into it and then use it as an outflow for a 12/22mm output.

How should I acquire this??
Is there a better alternative?? I often see reef tank use something similar to the nozzle above, what's it called??

Thanks

Here is a picture to better convey the piece
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Old 12-20-2009, 05:13 AM   #2 (permalink)
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Default Re: How do I do this??

Not sure where you are from, or what the hardware stores are like. Here you can pick up a U fitting for any common hose diameter at any local hardware store. There would be a short length of hose used as a coupling to attach the U to that outflow.
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Old 12-20-2009, 06:02 PM   #3 (permalink)
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Default Re: How do I do this??

Where are you located? Supplies vary according to country.

Could also make that out of PVC. There is a part that is slip x slip x thread, and each part is aimed a different direction.
It is intended for putting a sprinkler in the corner of the lawn, when you want to continue running the pipe around the corner. (Side note- this is a very amateur way to install a sprinkler system- professionals have no use for this part)

Pipe thread is pretty easy to find parts to adapt to vinyl tubing, and a U for vinyl tubing is available on line. Just gotta know the sizes. Thread x barb fitting, then vinyl tubing to the U. Do not use fittings and pipe that are too small. Each item you add reduces the flow a bit.

To make one of those:
Water is let in through the threaded side (adapt to whatever supply line you have).

Put some thin wall pipe in the slip fittings (no glue, yet), and heat it (Propane torch, not too close to the pipe). When it is soft (not too soft) pinch the pipe with some pliers until you have the flattened-flare outlet. It may take a few tries. When you get an outlet you like, glue it into place.
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Old 12-21-2009, 12:46 AM   #4 (permalink)
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Default Re: How do I do this??

Okay I got the U; went to Lowes. It's a bit fat but at least Im not dropping big for it.

I got tri-elbow pvc piece as the outflow mouth. I'd have preferred the flat-head type instead of the circular tube though, but could not find any. Im talking about the flat-head that often used in saltwater (or at least what I recalled). What does it call??

Maybe I'll check local aquarium
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Old 12-21-2009, 05:27 AM   #5 (permalink)
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Default Re: How do I do this??

Ahura-sama, if you want to make that piece you can heat the PVC with a torch and gently flatten it between two pieces of wood. It might brown the plastic a bit, so you would want to paint it afterward. Krylon's Fusion spray paint bonds very well to plastics if you go that route.
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Old 12-21-2009, 09:28 AM   #6 (permalink)
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Smile Re: How do I do this??

I'm not sure, but I think you're talking about the Loc-Line products. They are mainly used in industry for providing lubricant to machining equipment, but work great for directing water flow in aquariums.

Here is their website: http://www.modularhose.com/

I bought mine from Doctors Foster and Smith: http://www.drsfostersmith.com/produc...90&pcatid=4090

Here are some pictures of mine (pardon the quality, I just cropped some photos that I already had).

Front view:

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Side view of two of the returns:

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View from above the water where the return goes over the rim of the tank:

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I used plumbing PVC pipe from the home improvement store to fabricate the pieces that go over the rim. There are many ways that you can do it, but I used 90 degree fittings that were threaded on one side, with a "slip" connection on the other. You then connect the two 90s together on the "slip" side using a short piece of PVC and some PVC cement to make a "U" that fits over the rim. That way I could thread in the Loc-Line fitting on one side of the "U" and the nipple for the hose on the other.

I hope this helps.

Andy
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Old 12-21-2009, 04:19 PM   #7 (permalink)
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Default Re: How do I do this??

Oh yeah that flat head, or should I say "flare" head.

Thanks, I was looking exactly for that. Hopefully my local supplier has it, otherwise I'd prob get from DrFS.
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