Tropical Fish Keeping - Aquarium fish care and resources

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-   -   overflow box DIY (http://www.tropicalfishkeeping.com/diy-aquarium/overflow-box-diy-110599/)

Joe1985 08-13-2012 12:50 AM

overflow box DIY
 
Was wondering if anyone has made or is currently using a DIY overflow box with the PVC piping, saw a clip on youtube the other day looks fairly simple to make, anyone know much about it?

scottydoesntknow00 08-13-2012 10:37 PM

DIY overflows
 
Joe1985,

There are many good overflow designs that are out there on the web. Youtube is a good place to start. I have been in the progress of modding my filtration system on my 125 gal freshwater tank. I will draw up the designs and post them. One aspect I am still tweaking is the noise level. I have the same design used twice on my tank for redundancy. It does involve PVC pipe/fittings and clear plastic containers I purchased at Walmart. I didn't want to drill my tank so this is the route I took. Also, I make no claims about 100% prevention of tank overflows or any other catastrophes. So, proceed at your own risk and with sound engineering judgement. I'll post designs soon.

Tazman 08-13-2012 10:43 PM

One of the simplest DIY overflows you can ever build.
This guys really knows his stuff and I have used this design (bigger pipes) on my 75g tank for some time now, it was also on my 180g tank when I had it.

Joe1985 08-14-2012 12:20 AM

Quote:

Originally Posted by Tazman (Post 1198480)
One of the simplest DIY overflows you can ever build.
This guys really knows his stuff and I have used this design (bigger pipes) on my 75g tank for some time now, it was also on my 180g tank when I had it.
HOW TO: DIY Overflow - YouTube


without clicking the play button i know thats the one if watched countless times before, names uarujoe if im not mistaken, looks like an awesome idea and yeah i dont want to drill my tank so this is the better alternative in my opinion, but i hear the noise can be a lil loud? whats the pump like for power consumption??? im keen to give this a try for my 55G

Tazman 08-14-2012 07:56 AM

Correct on the name uarujoey :-)

The pump you would get yourself rated for the head height you have from the sump to the return pipe outlet in the tank. say for example your overflow does 400gph at 4ft head height. Something like a MagDrive 7 is capable of doing 475gph @ 4' head height.
You control the flow with a ball valve.

As you probably already know but will mention it anyway in case other members decide they want to do something like this.
DO NOT have the return pump run slower than your overflow, you will flood the sump and your floor! Common sense but people still do it!
The noise issue can be solved by experimenting with the air hole diameter, start small and then increase the size. You can as well build a durso pipe (see here dursostandpipes.com onto the overflow to help reduce the noise issue.

scottydoesntknow00 08-14-2012 08:05 PM

Uarajoey Overflow
 
The only problem that I've found after testing those overflows is that there is not enough skimming of the water to pull all the film off the water into the sump for filtration. Play around with it, that's how I figured out the problem and that problem may not bother you. Joey definitely has some awesome material out there, especially on his custom acrylic tank design and fabrication.

Joe1985 08-14-2012 11:35 PM

Quote:

Originally Posted by Tazman (Post 1198891)
Correct on the name uarujoey :-)

The pump you would get yourself rated for the head height you have from the sump to the return pipe outlet in the tank. say for example your overflow does 400gph at 4ft head height. Something like a MagDrive 7 is capable of doing 475gph @ 4' head height.
You control the flow with a ball valve.

As you probably already know but will mention it anyway in case other members decide they want to do something like this.
DO NOT have the return pump run slower than your overflow, you will flood the sump and your floor! Common sense but people still do it!
The noise issue can be solved by experimenting with the air hole diameter, start small and then increase the size. You can as well build a durso pipe (see here Durso Standpipes onto the overflow to help reduce the noise issue.


not sure if im 100% understanding you mate as im australian n yeah bits n pieces r registering but others arent, the durso pipe looks like its submerged n no splash factor? im keen to try this as i simply cant afford a canister filter but if one came along cheap enough id get one but id like to give this a try, does anyone have any pictures of there pvc overflows??

scottydoesntknow00 08-15-2012 06:14 AM

joe,

I will post those pics tonight of my overflow as promised. I took the pics last night but didn't get a chance to upload them. As far as considering the canister filter, try out the overflow/sump ideas first and then if you don't like the effort, then shift to the canisters.

scottydoesntknow00 08-15-2012 10:45 PM

Pics of my overflow design
 
6 Attachment(s)
Here are the pics of my overflow. I made two and they are both setup on the tank for redundancy. Let me know if anyone has any questions or needs more amplifying information. Once again, use your own overflow at your own risk. I hope this gives you a place to start, I have had these operational with no unwanted water in an unwanted location for about 6 months even with loss of power situations. The PVC is 1" diameter and the container is a cereal container from Walmart. The 0.25" acrylic is from Lowes. I used Marineland aquarium safe silicone for the threaded joint through the container. I'm working on the calculations for the volumetric flowrates and I will post those later. Good luck.;-)

Joe1985 08-17-2012 01:30 AM

Quote:

Originally Posted by scottydoesntknow00 (Post 1201488)
Here are the pics of my overflow. I made two and they are both setup on the tank for redundancy. Let me know if anyone has any questions or needs more amplifying information. Once again, use your own overflow at your own risk. I hope this gives you a place to start, I have had these operational with no unwanted water in an unwanted location for about 6 months even with loss of power situations. The PVC is 1" diameter and the container is a cereal container from Walmart. The 0.25" acrylic is from Lowes. I used Marineland aquarium safe silicone for the threaded joint through the container. I'm working on the calculations for the volumetric flowrates and I will post those later. Good luck.;-)

impressive scotty,very, have a question, so instead of having the tank/tupperware underneath the main tank and pump pumping the water up into the tank you have a box hanging over the back in the true overflow box sense, so the water is going from there to the tank and back? sorry if im confusing you haha just trying to compare it to the uarujoey clip


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