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120 galMixed Reef·by @CenCalReefer559

Cencal's New Upgrade Project

Going to start this to try and document the entire process but here it is. Picked up this tank from a family friend who was out of the hobby. Somewhere between 100-120 gallon display, with what appears to be a 40 gallon sump.
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Tank specs
Size
120 gal
Type
Mixed Reef
Dimensions
n/a
Filtration
n/a
Lighting
n/a
Skimmer
n/a
Flow
n/a
Dosing
n/a
Controller
n/a
Livestock

n/a

Comments (8)

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  1. @BackbayReef
    SCRM😎 Cool Kids🧠Reef Guru
    Joined May 2026265 posts1,033 pts★5.0(2)
    🔧 Build Contributor
    Sep 4
    Nice — that’s a huge upgrade from your current setup. Will this be a mixed tank or going gang buster on full SPS? 😀
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▲ 1
  • @CenCalReefer559
    😎 Cool Kids🤓Coral NerdOwner
    Joined Aug 20269 posts46 pts📍 Fresno, CA
    🔧 Build Contributor
    Sep 4
    @BackbayReef wrote: Nice — that’s a huge upgrade from your current setup. Will this be a mixed tank or going gang buster on full SPS? 😀
    Still up in the air at the moment. If the 40 breeder has to come down, then full mixed. If I can convince the wife that 2 tanks isn't much more work with 2 little kids running around, I'll go sps dominant. I just love my acans and euphyllia too much to let them go.
    ▲ 0
  • @BackbayReef
    SCRM😎 Cool Kids🧠Reef Guru
    Joined May 2026265 posts1,033 pts★5.0(2)
    🔧 Build Contributor
    Sep 4
    @CenCalReefer559 wrote: Still up in the air at the moment. If the 40 breeder has to come down, then full mixed. If I can convince the wife that 2 tanks isn't much more work with 2 little kids running around, I'll go sps dominant. I just love my acans and euphyllia too much to let them go.
    In that case, I think that two tanks are better to provide resiliency in case something happens to one tank. You can adopt and raise more creatures, rescuing them from other reefers’ abuse, help the environment, teach the kids marine biology, rewarding investment (you can sell frags), and much more! That would be my justification to the “Boss” 🤣 Good luck!
    ▲ 0
  • @CenCalReefer559
    😎 Cool Kids🤓Coral NerdOwner
    Joined Aug 20269 posts46 pts📍 Fresno, CA
    🔧 Build Contributor
    Sep 4
    @BackbayReef wrote: In that case, I think that two tanks are better to provide resiliency in case something happens to one tank. You can adopt and raise more creatures, rescuing them from other reefers’ abuse, help the environment, teach the kids marine biology, rewarding investment (you can sell frags), and much more! That would be my justification to the “Boss” 🤣 Good luck!
    I like your thinking!
    ▲ 0
  • @ktran
    SCRM😎 Cool Kids⚡SPS Slinger
    Joined May 2026161 posts683 pts★5.0(1)📍 Tustin, CA
    🔧 Build Contributor
    Sep 4
    Looks like it's going to be an epic build!
    ▲ 0
  • @CenCalReefer559
    😎 Cool Kids🤓Coral NerdOwner
    Joined Aug 20269 posts46 pts📍 Fresno, CA
    🔧 Build Contributor
    2d ago· edited Tue, Oct 13 · 12:17 PM
    Need opinions and some advice on this one. Progress has been made and about to start my leak test on the tank. Question in regards to the steel stand. Would you place something under the tank as there is a gap?
    ▲ 0
  • @ktran
    SCRM😎 Cool Kids⚡SPS Slinger
    Joined May 2026161 posts683 pts★5.0(1)📍 Tustin, CA
    🔧 Build Contributor
    2d ago
    I believe those tanks just need the outer rim to be supported. Someone much smarter than me will chime in, im sure. Wouldn't be a terrible idea to put a plywood sheet or some foam between the tank and stand either.
    ▲ 0
  • @CenCalReefer559
    😎 Cool Kids🤓Coral NerdOwner
    Joined Aug 20269 posts46 pts📍 Fresno, CA
    🔧 Build Contributor
    2d ago
    @ktran wrote: I believe those tanks just need the outer rim to be supported. Someone much smarter than me will chime in, im sure. Wouldn't be a terrible idea to put a plywood sheet or some foam between the tank and stand either.
    I'm going to reach out to my buddy and see how he had it setup, but I'm definitely thinking there needs to be something under there. I guess it's the same as my 40 breeder, the perimeter is what is in contact with the surface, not the glass.
    ▲ 0