Sump design check

[Coach v]

Planning on making a sump out of a 75 gallon tank. This will be in the basement for my 120DT. I have been gifted a bunch of acrylic and will use my cnc machine to cut the panels.

My first time in onshape, so I hope I did ok there. Please let me know what you would change?

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[TX_REEF]

Planning on making a sump out of a 75 gallon tank. This will be in the basement for my 120DT. I have been gifted a bunch of acrylic and will use my cnc machine to cut the panels.

My first time in onshape, so I hope I did ok there. Please let me know what you would change?

Onshape

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looks quite good, but I feel like you may want to divider between the 2 sub-chambers of the 3rd chamber to be taller, unless you're not going to have much rock in there at all. If you have macro/chaeto in there, it will likely migrate over that divider as it stands.