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  #1  
Old 12-03-2008, 03:42 PM
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cool chair...where did you get it?
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Old 12-03-2008, 04:36 PM
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The airport???
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Old 12-03-2008, 05:00 PM
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Hey,

The drain type you're looking for would be an "external durso". The idea of the T off the back of the tank, with an air vent is to create a tunnel of air down the center of the pipe, so the water flows quietly down the pipe; this won't be silent, but quiet.

If you're not running the T or air-flow into the pipe, and just a 90, then you would be trying to create a syphon (herbie) which you cannot do with that type of overflow.

Do you have plans for a backup drain??

I cannot find the proper picture of the bottom drain for in-sump that I was thinking of... but this is something similar: (found on nano-reef)

http://www.daemonfly.com/images/2.5g/lowerdurso.jpg
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Old 12-03-2008, 05:22 PM
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Originally Posted by nazerine View Post
Hey,

The drain type you're looking for would be an "external durso". The idea of the T off the back of the tank, with an air vent is to create a tunnel of air down the center of the pipe, so the water flows quietly down the pipe; this won't be silent, but quiet.

If you're not running the T or air-flow into the pipe, and just a 90, then you would be trying to create a syphon (herbie) which you cannot do with that type of overflow.

Do you have plans for a backup drain??

I cannot find the proper picture of the bottom drain for in-sump that I was thinking of... but this is something similar: (found on nano-reef)

http://www.daemonfly.com/images/2.5g/lowerdurso.jpg
Thanks. You can do a herbie with this overflow but you need a second hole drilled. I have seen it done and it works the exact same as a regular herbie. So its just in my case that it can't be done.

Off the back of the bulkhead is a T for airflow. I am also wondering though about putting a T somewhere near the bottom. I know some people were apparently doing this to make things even quieter but I can't remember why or how?

Thanks for the link. I will check it out.
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Old 12-03-2008, 05:26 PM
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Yeah that link is basically what I am talking about I think.


The only thing I worry about with that one is how the water drains down to a "U" and then back up. I don't like the idea of having anywhere in the drain line with back pressure or a place for things to get stuck easily. I think I will do something like this but without that "U" in there.

Thanks again, that gives me a good idea.
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Old 12-03-2008, 05:30 PM
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Originally Posted by GreenSpottedPuffer View Post
I don't like the idea of having anywhere in the drain line with back pressure or a place for things to get stuck easily. I think I will do something like this but without that "U" in there.
Yeah I agree, there is a different style... but I cannot find the diagram for the life of me! I think I have it in my favorite's at home though...

So whats the plan for backup drain?
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Old 12-03-2008, 05:39 PM
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Originally Posted by nazerine View Post
Yeah I agree, there is a different style... but I cannot find the diagram for the life of me! I think I have it in my favorite's at home though...

So whats the plan for backup drain?
No back up drain since I am not doing the herbie. Just the traditional single drain plumbing. Same as if say I bought an already drilled tank from the store with a single overflow.

You don't need an emergency as long as the drain keeps up with the pump. The reason for the emergency with the herbie style is because you are restricting the drain pipe so much that all kind of stuff could get stuck in there. Although on my big tank, the herbie is dead quiet and nothing has ever been stuck in it. The emergency drain is never used.

But I am sure you already know that
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Old 12-03-2008, 05:28 PM
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Plumbing is always interesting, one thing I've seen posted on RC about durso style, is they quiet down over time once you get a 'slime coat' on the inside of your pipes. My nanocube is running a 1" herbie and is almost dead quiet. It makes splashing noise entering the overflow box though, hopefully going to fix that tonight

Not sure if you saw this link I posted in some other threads, but it's a very neat concept I'm going to put on my 75g;

http://www.beananimal.com/projects/s...ow-system.aspx
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Old 12-03-2008, 05:41 PM
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Quote:
Originally Posted by nazerine View Post
Plumbing is always interesting, one thing I've seen posted on RC about durso style, is they quiet down over time once you get a 'slime coat' on the inside of your pipes. My nanocube is running a 1" herbie and is almost dead quiet. It makes splashing noise entering the overflow box though, hopefully going to fix that tonight

Not sure if you saw this link I posted in some other threads, but it's a very neat concept I'm going to put on my 75g;

http://www.beananimal.com/projects/s...ow-system.aspx
You just need to adjust the valve to get the water level higher and eliminate the splashing. With mine, it doesn't even look like water is going over the overflow I have matched it up so perfectly.
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Old 12-03-2008, 05:46 PM
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Quote:
Originally Posted by GreenSpottedPuffer View Post
You just need to adjust the valve to get the water level higher and eliminate the splashing. With mine, it doesn't even look like water is going over the overflow I have matched it up so perfectly.
Haha, you're killing me with this "I post 2", "You post 2" !!

The problem with the nanocube is I'm using the built in 'false wall', which has three chambers .. the center chamber runs at a different height (which has the drain), than the chamber where the water enters..

I'll post pics once it's all done, and I'll resist hi-jacking your thread
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