125 to 300+ gallon upgrade [Image Heavy]

Zanson

Exodon
MFK Member
Jun 9, 2017
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so from the start of the 125, i always knew i wanted to upgrade the system to a sump and larger water volume. I weighed a bunch of options, between a 180 with over flows, to a plywood build of 200+ gallons. Ultimately i decided to go with Two 120 gallon tanks, with the 125 becoming a sump and display tank.

There are a few reasons i went this way.
1. A 180 gallon tank would take 3-4 people to move, which just sucks.
2. The stand would need to be at least 7' to accommodate the 6' 125 tank as a sump
3. 120 gallon tanks are easier to move, have a good depth, and are more flexible overall while still housing larger severums.
4. multiple tanks allows me to do different scapes and stocks of fish, and deal with aggression issues.

with that said, here is the build. an 8'4" wide stand made of 2x6's. This build will take me a few weeks to complete, and as of this post i am a week into the build. the second 120 gallon will be purchased and plumbed once i am confident of the systems abilities.

the old setup
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August 29 2017

Top framed, bottom is up right now and supports are in place

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attaching the 2x6's the 125 will sit on.
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top supports and side panels added
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Better shot of where the 125 will sit
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Fish moved to buckets, 125 drained.
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New stand moved in, with the 125 in place
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120 placed on top. This was the moment i realized i made the right choice. between the weight, and the look, i was happy.
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Fill test
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Temporary sump setup, fish and sand added. Sand was a bit dusty from moving from one tank to the other, and took a few days to clear up.
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the width is so nice for these guys.
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August 30 2017

12 hours later
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another shot of the temporary sump setup.

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24 hours after move. Clearing up nice and the fish are getting used to the space
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August 31 2017

48 hours later it's completely clear. 200 micron filter socks are awesome for clarity.
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September 3rd 2017

Drained the 125 and started building the sump. chamber in the back corner is where 2 overflows will spill out and overflow into a section that holds the filter socks.
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divider between the display and sump areas. Sump is still temporarily setup on the display side so i can work on the rest of the sump once i get the hole saw for the socks.
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Zanson

Exodon
MFK Member
Jun 9, 2017
60
43
21
I do see room for a custom tank on the other side tho or a qt tank. What space do you have left? 3x2 foot print? Would make a nice spot for a 3x2x2 or a 2x2x2 cube
It's a bit less then 2 feet next to the 125 there. Front to back is 21". I'm going to build out shelving there to store supplies , mount wires and controllers, and such since I had to remove my wall shelf to fit this.

Though I did think about that, but I have 2 40 breeders setup in my basement for qt.
 
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Zanson

Exodon
MFK Member
Jun 9, 2017
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currently the 120 is housing what was in the 125.

12 congo tetra, 4 severums, pair of acara, 3 angelfish, 10 pearl danios, 3 juvenile bristle nose plecos and a blue phantom pleco.

once i finish the sump/display tomorrow, the stock will change this weekend.

120 Right Display:
4 severum
12 congo tetra
12 danio
3 BN plecos
1 Blue phantom pleco
moving from my 46 gallon
20 rummynose tetra

Lightly planted, val, anubias, dwarf lillies

125 Display (80 Gallon of space):
3 angels
acara pair

medium planted: water sprite, dwarf lillies, red root floaters


then i will be adding the 2nd 120 in a few weeks. that will house the rest of the move.

120 Left Display:
6 dojo loaches
4 red lizard whiptails
1 albino BH pleco
moving from my 46 gallon
6 rainbow tetra
6 emperor tetra

this will be heavily planted with ludwigia, mosses, and other plants to not only display but scrub the water of nitrates.

then i can break down the 40 breeder and move my daughters guppies, and the veil angel that's living with them to the 46 bowfront

46 Gallon Isolated system
8-20 guppies (not really sure how many babies have survived in the thick plants in the 40)
2 endlers
1 angelfish
3 clown plecos
1 flash pleco

this tank is heavily planted and currently runs at 0 nitrates, so i may need to add more fish later (or let the guppies breed for a bit) so that the plants get enough nutrients.

this will probably change as i see how the fish are adjusting, but i wont be adding new fish that i currently don't own for a few months. to make sure it's all balancing out.
 
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Zanson

Exodon
MFK Member
Jun 9, 2017
60
43
21
Overflow sump entrance
IMG_20170903_203830.jpg
Planning out filter sock holes
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Drilled a perfect fit. 3 3/4" holes
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Final test placement before silicone
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Water test working extremely well
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Filled with substrate making it cloudy
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Scaped and fish moved
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My red lizard whiptails are enjoying their new home.
IMG_20170908_015249.jpg IMG_20170908_015348.jpg
 
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