diy overflow

Cecropia

Candiru
MFK Member
Jan 17, 2008
654
7
48
US
I'm glad someone brought that up, as far as the 3/4 flow rate goes. I just finished building a second 3/4 overflow because I don't possess the knowledge to know what the 90* bends in the overflow plans will drop that 660gph to.

Better safe than sorry I guess.
 

ph96ers

Feeder Fish
MFK Member
Jan 26, 2010
13
0
0
Provost alberta canada
does anyone know if some one can use ABS pipe and glue to do and overflow. i wanted to do 1.5" but no one stocks pvc i im kinda forced to go another route.

any advise would be good.
 

knotty dreadlocks

Feeder Fish
MFK Member
Mar 30, 2010
6
0
0
rancho chimichangas
after reading alot of info on DIY overflow i still have 1 question

this is obviously not my setup but planning on doing something real similar to this. if i were to take off the U on the inside and add an overflow box in the corner of my tank with the inlet almost at the bottom of the overflow box will this still work and would it lower my GPH

 

Iffrat

Plecostomus
MFK Member
May 8, 2009
1,207
2
53
40
Dallas Texas
shiver905;4100919; said:
its 1 inch pvc. I know i still need the check valve. going to the lfs now
if your tank is like 18" tall .. maybe .. but why dont you make it like the pics .. and not try to do something different from that ..

if you know something works .. stick with it
 

shiver905

Feeder Fish
MFK Member
Apr 26, 2010
12
0
0
Hamilton canada
Im doing this instead of my physics test. So i need to find some methods that fail and why they fail.

Then find one that works.. N say why it worked.

But first is first. Id like to know how my design is different. It looks the same to me.

also any1 have any designs that failed?

If I can get mine to work i'll right up a full DIY step by step.
 

Castro235

Gambusia
MFK Member
Apr 28, 2010
27
2
18
Agawam, MA
Hey guys, new here, went through about 60 pages of this thread to learn about pvc overflow siphons and such, seem to have a pretty good handle on it, you guys definitely have the best thread around for anyone who wants to learn about a DIY siphon setup.

I don't know if I missed it, or if it was in the 20 pages I didn't read, and it's not so much a question as what I plan to do,and suggest if anyone else is in the same type of setup I am.


I currently have a 55 gallon tank, which I just have filled with water, haven't set up anything yet really, and since it's only going to be a freshwater tank, and I'm on a pretty tight budget, i decided to build a small sump for it out of a ten gallon tank.
Ended up using old cd cases for the baffles, just siliconed it earlier today, so I'm going to let it cure until thursday(which is when I get paid so I'll be getting and building the overflow setups) before I leak test it.

I set up the tank in four sections, seperated into the four corner going over, under, and over again, I can post some pictures in a bit if anyones interested in that part, but this seems to be more about overflow, and such, so I'll leave that to if it's inquired.


Basically, I'm still completely undecided on where I'll be putting the sump tank, although it's only 10 gallons, my 55g stand doesnt have any underneath storage or anything, so I'll be putting it next to the tank, and I considered having the 10g at a higher level than the 55g, so the overflow siphon would be going into the 55g, and if there was a power outage, there would be room for the overflow, but the baffle setup I have doesn't seem like it would allow for enough room for a good overflow siphon setup, so what I've decided on is a little overkill I think, but still inexpensive, and with much added peace of mind.


The 55g tank will be setup on the stand, the 10g sump will be set up on a second stand off to the side, at a lower level than the 55g.

The 55g will have a pvc overflow siphon system to go into the 10g and the 10g will have a maxi-jet 1200 return pump into the 55g.

In between the two tanks will be either a tote box, or more likely a plastic trash barrel, and both the 55g and the 10g will have an emergency pvc overflow siphon at about an inch above where the water levels should be.


I know it seems overkill, but it also seems kind of like, why not for the small amount extra it would cost me to have that easy peace of mind.


I don't know if I will be able to set up the siphons to actually work though, since they will be empty at all times other than the event of an emergency, is this true, or would the pumps be able to prime themselves if I had smaller or larger overflow tubing involved?


I drew up a pretty bad picture of what i mean, and I apologize for anyones iq going down looking at it, but I'll risk including it anyway.
(No letting me upload it to here, guess the picture is just that bad lol, so here's a photobucket link to it.)

http://i78.photobucket.com/albums/j83/Castro897/Outline1.png
 
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