New reef tank! 41 Gallon Fluval Osaka. Suggestions?

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Update on my Fluval Osaka 41G

I haven't posted in a while but wanted to come and share the progress on my tank. I will get some pictures right away!I now have:

30lbs argonite
2 powerheads:
Active Aqua pump 250GPH
Laguna pt 8100 80GPH
Current USA SunPod 250W MH Fixture
18 blue LED's
Aquaclear 10 submersible heater 50W

15 ish hermit crabs
5 pink turbo snails
Brittle sea star
tuxedo urchin
2 paradise snails
2 cerith snails
1 cleaner shrimp
green bta

gsp
kenya tree
green zoas
orange and green zoas
various small zoas growing on rocks
featherdusters (hitchhikers)

tomato clown
yellow tang
lyretail anthias
bangaii cardinal
2 blue chromis