overflow box DIY - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 20 Old 08-17-2012, 02:31 AM Thread Starter
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Tazman do you have any pictures ?
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post #12 of 20 Old 08-18-2012, 12:29 PM
Joe,

Are you asking about my setup or are you asking about the possibility of water going from the overflow back into the tank? My setup has a sump in the bottom of the stand. I can send pictures of that if you want. If you asking about the water going into the overflow and then back into tank after some sort of filter, then that changes the overflow into a typical hang on back (HOB) filter. I made the overflow to get the water to the sump for purification and then back into the tank. Let me know if this helps. Cheers.

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scottydoesntknow00

29gal fresh
75gal bow front fresh
125gal fresh
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post #13 of 20 Old 08-19-2012, 08:23 PM Thread Starter
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Quote:
Originally Posted by scottydoesntknow00 View Post
Joe,

Are you asking about my setup or are you asking about the possibility of water going from the overflow back into the tank? My setup has a sump in the bottom of the stand. I can send pictures of that if you want. If you asking about the water going into the overflow and then back into tank after some sort of filter, then that changes the overflow into a typical hang on back (HOB) filter. I made the overflow to get the water to the sump for purification and then back into the tank. Let me know if this helps. Cheers.
yeah scotty id like to see pics of sump, let me know how the finishing products runs and goes
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post #14 of 20 Old 08-25-2012, 11:52 PM
Pics of sump and first system failure

joe,

Here are the pics of my sump. I apologize for taking so long to get back to you with these but my wife gave birth to my son so as you might expect, I have been a little busy. Anyways, I did have a failure of the overflow sort of after several cracks occurred due to stresses on the plastic container and pvc piping. So I am repairing that and am down to only one functional overflow which doesn't affect the filtration. I designed the overflows to have double the capacity of the return pump so there would be no change in flow through the filter section. I use a 29gal aquarium as my sump and have a compartmented mechanical and chemical filter sections inside. You will also see the section that was originally designed to serve as the biological filter but that proved to be too small. So that is where the 5gal bucket comes in as the new bio filter. It is stuffed with plastic sponges with a very large amount of surface area. Make sure you use sponges with no antibacterial treatment if you're going to pursue that path. The bio filter is feed from one branch off of the return pump and gets recycled back in the sump once going through the bio filter. I have two valves on the discharge of the return pump. One controls flow to the display tank and the other controls flow into the bio filter. I used this design to control flow into the display tank and to control flow through the bio filter. I hope this helps. Let me know what other questions you have. Cheers.
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Never stop learning,

scottydoesntknow00

29gal fresh
75gal bow front fresh
125gal fresh
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post #15 of 20 Old 09-01-2012, 01:15 PM
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sump

http://www.tropicalfishkeeping.com/f...-106371/page2/
the thread link above the video might be helpful.. the video is just a look at it in action now. on the top of the open section of pipe on the outside of the tank i have a circle cut piece of black duct tape with a slit in it which almost completely eliminates the gurgling noise u get without it. mine has been running since i put up that thread. i would definitely reccomend using a larger overflow pipe diameter because mine is pretty much always at its maximum flow. also give careful consideration to the height of the top of the overflow inlet pipe as the water level will be slightly higher than that when its running. in the sump, make sure that the section with the pump in it can be emptied into your display tank without overflowing it; if for some reason the siphon is broken on the overflow the pump will empty its chamber into the display tank.
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post #16 of 20 Old 09-01-2012, 05:35 PM
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post #17 of 20 Old 09-12-2012, 11:31 PM
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I would like to inform you that I am currently using DIY overflow box with the PVC pipes. I want to tell that that potential of your overflow should be higher than the come back pump's circulation potential.

Get the best grow box.

Last edited by corwinlame; 09-12-2012 at 11:35 PM.
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post #18 of 20 Old 09-13-2012, 09:53 PM
pipes out > pipes in

I agree. I have dual overflow that can handle the flowrate for two of the type of return pump that I use. Also verify no air leaks because this can cause loss if siphon and that means no more functioning overflow.

Never stop learning,

scottydoesntknow00

29gal fresh
75gal bow front fresh
125gal fresh
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post #19 of 20 Old 09-14-2012, 10:03 AM
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What's the lil guy in the refugium dlambert?
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post #20 of 20 Old 09-18-2012, 09:41 PM Thread Starter
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dlambert what is that eel like thing? looks kinda like what we call a lungfish here in australia, id love to make something like that but dont rarely have time on my hands, anyone wanna make me one? hahhaa
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