Author Topic: DIY sump  (Read 4753 times)

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Offline SCdubr

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DIY sump
« on: January 30, 2013, 09:30:07 PM »
Check out the sump I'm building.

Offline SDangerfield

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Re: DIY sump
« Reply #1 on: January 31, 2013, 12:04:58 AM »
It looks pretty good. The only thing I would say is it looks like you are going to have a high water level in the sump, that might not be good if your return pump turns off for any reason. It may over flow your sump and get water everyware.
I wouldn't have the water level much over half way in the sump.

Offline fshaqrmman

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Re: DIY sump
« Reply #2 on: January 31, 2013, 08:01:06 AM »
I agree with SDangerfield. 
You probably want to lower your baffles down.
Mine looks very similar to this without the baffle to the far right.
http://www.thereeftank.com/forums/f6/quick-question-39293.html
-Scott

Offline SCdubr

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Re: DIY sump
« Reply #3 on: January 31, 2013, 06:17:20 PM »
lowering the baffles is pretty much out of the equation. They are 2" below the top. That is approx. 3.12 gallons left in the sump. If the pump has 1/2" lines and a hole is drilled right below the water line of the return to stop the reverse siphon, there shouldn't be more than 3 gallons within in the line, probably not even a gallon. Would this be correct?

Offline fshaqrmman

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Re: DIY sump
« Reply #4 on: January 31, 2013, 08:08:04 PM »
I have a 90 gallon with 20L sump and 1/2" return line.  I just pulled the power to my pump and the water rose aprx. 2 3/8"
-Scott

Offline SCdubr

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Re: DIY sump
« Reply #5 on: January 31, 2013, 08:38:25 PM »
Wow....Do you have a hole to stop the reverse siphon? What happens to the supply when the "power goes off?"

Offline SCdubr

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Re: DIY sump
« Reply #6 on: January 31, 2013, 08:41:09 PM »
Just thought of this...correct me if I'm wrong...would the level of water be lower in that 3rd chamber if its getting pumped out faster than its coming in?

Offline fshaqrmman

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Re: DIY sump
« Reply #7 on: January 31, 2013, 09:00:25 PM »
Yes, I have a hole at the elbow of my directional return to stop siphon. 
Yes, the water level could be lower depending on the size return pump you have.
I have a 90 gallon with 20 gallon sump.  I have a Mag Drive 9.5 wide open along with a separate pump for my chiller and my sump level stays consistent.
-Scott

Offline js1218

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Re: DIY sump
« Reply #8 on: January 31, 2013, 09:07:26 PM »
You have to look at the water in your overflow box level In the tank . also it go into your sump as well .
js1218

Offline SCdubr

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Re: DIY sump
« Reply #9 on: January 31, 2013, 09:23:52 PM »
sounds like I might be screwed  :banghead:

Offline SCdubr

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Re: DIY sump
« Reply #10 on: January 31, 2013, 09:35:03 PM »
I guess I'm gonna have to take them out and get em re-cut. The skimmer I'm getting is recommended to be in water 8" deep, so I could go down to that height?

Offline js1218

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Re: DIY sump
« Reply #11 on: January 31, 2013, 10:01:33 PM »
You only need two recut. Will be intown this weekend if you like see how my is
« Last Edit: January 31, 2013, 10:06:10 PM by js1218 »
js1218

Offline SCdubr

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Re: DIY sump
« Reply #12 on: January 31, 2013, 10:11:24 PM »
How can I re-cut them when they are already siliconed in place?

Offline SCdubr

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Re: DIY sump
« Reply #13 on: January 31, 2013, 10:15:22 PM »
Sorry...brain fart...I would only need to take 2 out to get re-cut. Am I correct in guessing that I only need to take out the 2 on the left side, basically the refugium walls?

Offline SDangerfield

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Re: DIY sump
« Reply #14 on: January 31, 2013, 10:50:09 PM »
If you only take out the two on the left side your water will still have to rise to the level of the highest baffle to make it in to the return chamber. I would cut all three shorter.
Mine are different heights, here is a picture of the baffles on my sump.
First baffle is there to trap and bring most of the bubbles to the surface.
The next three baffles are there to get rid of the rest of the bubbles.
The last baffle is the lowest of all of them and I have placed some of the frag rack stuff in front of it because at one point I had some filter floss infront of the frag rack divider to help filter the water. I choose not to run any mechanical filter in my sump. The filter socks seemed to get clogged up and overflow out the top, so I took the filter socks out months ago and don't have any problems.