drilled overflow?

[dirk_brijs]

can you guys post some pictures and explanations of your drilled overflow system and the cons and pros of it?
Am setting up a tank but am undecided what overflow syste to use?

 

[saxman]

Are you referring to what kind of O/F box (U-tube vs. CPR) or a drilled DT? It it's the latter, are you planning to have an internal O/F box, an external O/F box, or just an external standpipe?

 

[scott t]

I have been going through this myself trying to figure out what over flow to use on my tank when I set it up. I have come to the conclusion that drilling the tank and having and internal overflow is the best way to go. Lots of people I have talked to have suggested to go this way because you have less chance of flooding if the power should go off. My suggest to you is to go with a drilled tank with and internal overflow.
Just my .02

 

[dirk_brijs]

looking into the drilled type of overflow systems used in large reef tanks.
Stand pipes, Drilled side holes with direct flow, etc.....
Am especialy interested in systems with the holes just drilled on the side of the tank without any box?

 

[2quills]

The thing about the overflow boxes is that you may want them to set the water level in your tank. It can be done without them by using elbows if you like...you'll just want to cover the pipes so that your fish or what have ya don't go down the drain.
Here's how I drilled my tank just to give ya an idea...

And a shot of the overflow boxes that I made for it...The grooves on the box will determine the height of the water level...maybe a quarter of an inch higher when the pump is running.

 

[scott t]

Nice overflow box Corey, maybe instead of buying one on line I should buy one from you lol...

 

[dirk_brijs]

thanks
any more other design or is the most common design for larger tanks?

 

[saxman]

My fave is the external O/F we have on our 100 gal "wide":

This 60 gal has a central trapezoidal O/F with one return coming thru the wall: