Dual Sump Setup Question!

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#1
Hey SCR, I have posted about sumps before, and I decided to go with 2 10 gallons underneath my 55. I was thinking of grabbing an overflow box (All sides of my tank are tempered) and draining it into tank 1, which will have two chambers, a protein skimmer and chaeto section. The tank 2 will also have two chambers, which will be a second fuge and the return pump. Here's where it gets tricky. I have to think of a way to get the two to connect. I have tank 1 raised 2" higher than tank 2 to overflow down. I'm thinking an overflow of some sort, not entirely sure how. Any ideas on how to get the two to connect? P.S I don't know how to drill tanks :dontknow:
 

xmas_one

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#2
Man, that seems like more trouble than it is worth. Only way without drilling would be u-tubes. You can run an aqualifter on one for insurance.
 
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#5
Sounds harder than it is lol. I just went into unnecessary depth for lack of diagram. So it comes down to drilling or u tubes. Could I possibly make the u tubes out of PVC? Which option would be better?

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#7
I had a post about it. I tried to put a 20 long in my stand, but it won't fit unless I cut down a beam or a hole in the side.

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#8
If your going to use a straight U tube the 2 tanks will need to be the same height. If not the higher tank will syphon out causing the lower tank to overflow. Plus your going to have to make sure that the syphon on the U tube can never b broken or it will cause the first tank to overflow.
But if u wanted to leave one tank higher then I say drill the side of the elevated tank and install a bulkhead to drain water out of the higher tank into the lower tank. But make sure u use a wide enough bulkhead to handle the water flow going through it.
 
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#9
Also keep in mind that water will also go to the lowest point that it can make it to. So if your return pump turns off then all the water will settle to the lowest tank. So give your self room in the lowest tank for water to flow down and settle.
 
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#10
here is a picture of what to do. I replicated this on my 240 with two 180g sumps, I did a bean animal style on the new tank to prevent clogging of the single outlet. WP_20140705_14_25_56_Pro.jpg
 
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#11
Since your running 2 10g tank. I would use the elevated tank as your fuge. Drill 2 hole ( 1 higher then the other) for your drain into the tank with your return and skimmer with a down pipe with some slit cut into the down pipe. Tee off your drain with a valve and have a small trickle into your fuge. The 2nd tank would take the bulk of your drain and the 2nd tank would only require 1 baffle to level the skimmer water..less work and you would have a full 10g fuge to work with...
 

RonaldoH

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#12
if you drill the 10 it will crack, i know. I think i mentioned in another thread you had going how I got my dual 10 set up working. Its more work than its worth imo. Just us 1 10 gallon, make 2 chambers one for skimmer and one for return and ditch the fuge.
 
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#14
The main reason why i wanted a sump was to A) Increase water volume B) upgrade to an internal skimmer [currently using HOB] C) a fuge, mainly the fuge and skimmer. Problem is, my tank's already established, and I think it'd be a larger hassle to move the tank, bang out the back beam, then move it back... If a 10 gallon will break if drilled, guess its U-tubes then... anyone got any ideas on how to do so? I mentioned earlier i had 1 tank higher than the other. I'ts empty right now sitting on 2 2x4 so i can move it anytime. Any ideas anyone?
 

RonaldoH

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#16
The main reason why i wanted a sump was to A) Increase water volume B) upgrade to an internal skimmer [currently using HOB] C) a fuge, mainly the fuge and skimmer. Problem is, my tank's already established, and I think it'd be a larger hassle to move the tank, bang out the back beam, then move it back... If a 10 gallon will break if drilled, guess its U-tubes then... anyone got any ideas on how to do so? I mentioned earlier i had 1 tank higher than the other. I'ts empty right now sitting on 2 2x4 so i can move it anytime. Any ideas anyone?
If its all apart now just got to home depot get some 2x4's and build a stand that will accommodate one large sump.
 
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#17
Too much of a hassle to move the tank onto the new stand... and my family are set on the nice pine stand I have right now
 

Six2seven

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#18
This is very easy to do. Seems to be getting more and more complicated. Yes, you can drill a 10g tank. It will crack if you do it incorrectly as with any glass tank. Drill both tanks and add them together with a bulkhead.

for the easiest set up I would make the overflow drain into sump 1. Make sump 1 your fuge. your water line will be where you select the hole to be. Make a hole in the same location of sump2. water will enter and make the baffle as high as you want, no higher than the drilled hole. This is your second chamber like you wanted. Water will go over that baffle into the third compartment where you will have your return. This is the chamber will rise and fall with your evaporation. you can add more chambers as you would prefer.

here is a picture of what i mean when you drill two tank and bulkhead them together. dont worry about the layout and you dont need two holes but two are better. (not my PIC)
 

RonaldoH

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#19
This is very easy to do. Seems to be getting more and more complicated. Yes, you can drill a 10g tank. It will crack if you do it incorrectly as with any glass tank. Drill both tanks and add them together with a bulkhead.

for the easiest set up I would make the overflow drain into sump 1. Make sump 1 your fuge. your water line will be where you select the hole to be. Make a hole in the same location of sump2. water will enter and make the baffle as high as you want, no higher than the drilled hole. This is your second chamber like you wanted. Water will go over that baffle into the third compartment where you will have your return. This is the chamber will rise and fall with your evaporation. you can add more chambers as you would prefer.

here is a picture of what i mean when you drill two tank and bulkhead them together. dont worry about the layout and you dont need two holes but two are better. (not my PIC)
The glass on the 10's are so thin they would crack before you got all that assembled, 20 gallons is a lot of water on the floor.
 

Six2seven

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#20
The glass on the 10's are so thin they would crack before you got all that assembled, 20 gallons is a lot of water on the floor.
I've drilled many 10g frag tanks, never broke a single one. I did break a 60g tank once. The good thing is that you can find used 10g tanks for free or dirt cheap to practice on. Here is a pick of when I drilled my 12g frag tank that has been up and running for over a year,
 

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