Closed Loop Sump?

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TheSinisterSOB

TheSinisterSOB

Gambusia
MFK Member
Aug 10, 2011
522
3
18
A little place called C At Hell
Hello,

I'm looking to find a way to create a sump style system, but I need to make sure its a closed loop to avoid draining the tank in a power outage.

I was wondering if the below diagram would work with a lid that could be secured w/ gasket to seal the top, and bulkheads that could be help attach the plumbing to the filtration. Or am I getting to fancy?

ClosedLoopSump.png

ClosedLoopSump.png
 
I think you're going to have issues with keeping it sealed. It would probably be less of a headache, and work, to just buy some sort of canister/cartridge/pond filter if you really want to stick with a closed loop

What is the main reason you think that your tank needs a closed loop system?
 
Use a float valve.
Mine works great. Actually today I was lucky I use one . My return pump stopped working and I didn't have to worry about it flooding my basement.

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uploadfromtaptalk1400281320382.jpg
 
burbon44s said:
Use a float valve.
Mine works great. Actually today I was lucky I use one . My return pump stopped working and I didn't have to worry about it flooding my basement.

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Oh that might work better! and cause less headache...Do you have any side shots of that setup?

My wife said I could start on my 8'x4'x3' tank, and I wanna make sure we don't have a river flowing from our garage if the power shuts down.
 
Keeping it sealed was my biggest concern, but the filter will be for a 700g tank and I cannot afford a canister for an aquarium that large.
 
Why don't you just have the intake as high as you can , then if the power fails just count how many gallons of water is going to drain down from the tank to the sump ,,,,like to reach the bottom of the bulkhead it's going to be 50 gallons the just put a 60gallon sump , ,, might workk, just an idea


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Wenzo0o0o0oo said:
Why don't you just have the intake as high as you can , then if the power fails just count how many gallons of water is going to drain down from the tank to the sump ,,,,like to reach the bottom of the bulkhead it's going to be 50 gallons the just put a 60gallon sump , ,, might workk, just an idea


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I wanted to put the bulkheads as low as possible to help usher the waste out of the tank. This will be a plywood tank, and I haven't had time to look into designs with bulkheads sitting 2 feet below the water line.

I have a contact that can build a 96x48x24 in all clear which would run 2400.00, but I'm already pushing my luck with a 700g tank made out of plywood.
 
Wenzo0o0o0oo said:
Bulkhead sitting below 2 feet from a 700gallon tank still ALOT of water coming down if power goes out


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Yeah that's what I'm worried about, and would like to be able to avoid catastrophe. I haven't been able to find much info closed loops that would fit with such a large tank.
 
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