Overflow Idea.. pls check it out.

[Ansphire]

Hey guys.. I came up with this Idea.. maybe someone has done it already.. pls let me know what you think.

 

[MeuserReef]

You will not get any surface skimming what so ever if you have your bulkhead so far below the water.

Why not use a conventional overflow with a weir?

 

[colotl]

why dont you just come out and down, less water restriction. Instead of out, up, over, down. I would also place your intake near the top so you can skim the surface.

 

[jeff209]

nope too low and what would happen if your power would go out

 

[das75]

<a href=showthread.php?s=&postid=12125683#post12125683 target=_blank>Originally posted</a> by colotl
why dont you just come out and down, less water restriction. Instead of out, up, over, down. I would also place your intake near the top so you can skim the surface.

Think that would just drain the tank down to the bulkhead. By going up then open at the top you've got a siphon break (again without, draining the tank).

Other than the lack of surface skimming, wondering about noise. Could cap then drill the top (like Durso) but if hole got blocked, looking at a siphon.

 

[mgs]

your up loop needs to be in your tank to work.

 

[colotl]

I think this is what mgs is talking about,

This are the same plans I used and they work great. Always restarts on its own everytime! At first they look ugly but once the coraline grows it blends in well and looks good.

 

[stugray]

It will work fine as drawn, but as others mentioned youll get no surface skimming.

As for some of the comments:

"nope too low and what would happen if your power would go out"

Nothing will happen if the power goes out. It will not drain the tank.

AND

"your up loop needs to be in your tank to work."

Yes it will work.



I am sometimes amazed at the comments made when people dont understand basic physics. If you dont know how things work, dont comment.

Stu

 

[MeuserReef]

get em Stu!

 

[Ansphire]

Yeah...lol... but I appreciatte the effords to help...

I know for a fact the overflow will work...

I want NO Equipment of boxes in my tank.. thats why I want to eliminate my overflow box... puting a cap with a big enough whole and a pcs of airline should reduce noise..

There is gonna be only two holes... One for the overflow and anotherone for the closed loop... thats it!

Is not skimming the surface that a big deal??... Oxigen is not going to be a problem since the sump will take care of that...

What could be my short and long term problems with not skimming the surface?

 

[BeanAnimal]

<a href=showthread.php?s=&postid=12126227#post12126227 target=_blank>Originally posted</a> by mgs
your up loop needs to be in your tank to work.

It would work either way (stu already pointed that out)... water seeks its own level and does not know what side of the glass it is on

As others have mentioned, there is no surface skimming using a setup like this.

 

[BeanAnimal]

And yes NOT surface skimming is a BIG deal.

 

[MeuserReef]

I want NO Equipment of boxes in my tank.. thats why I want to eliminate my overflow box...

Why not go with an external overflow box? This would accomplish your "zero visual pollution" policy and would allow surface skimming. It will require a bit more work than your above pictured idea, but will (IMO) be a better approach to an overflow system.

 

[Fiziksgeek]

What about adding an external overflow??....it removed the overflow box from the tank and you get surface skimming!

 

[Fiziksgeek]

How did I not see the previous post by meuserReef..?? Never mind me, I'm a little slow today!

 

[badhand2222]

just cut two holes in the top corner of each side of the tank, and run the pvc down to your sump. one for overflow the other for return.

 

[quangtam7]

Check mine here http://www.dfwmas.org/Forums/viewtopic.php?t=44150 . You can call it external Durso standpipe.

 

[Kannin]

Surface skimming is important because that is where much of the dirty water is... and you could end up with an oil slick.

 

[Ansphire]

Ok... one question.. does anyone know how much flow can 1" pvc handle?

 

[Kannin]

I think it's around 800 per hour but, it also has to do with the liear flow of the box. There's a flow calculator on the home page... half way down on the left.