Here is me plumbing plan for my 75 gal FOWLR. Could everyone check it out and give any feedback on what I missed or if I need to add anything.

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75 G Dry but getting closer.
75 G Drilled. 3 - 1" Drains 4 - 3/4" Returns
2 returns from closed loop.
2 returns from sump.
1/5 HP Chiller.
Octopus Skimmer.
10 gallon Fuge