Crushed coral isnt the best choice for a healthy sand bed.
You'd be better off getting rid of it and going with sand of some sort.
It will provide better filtration and more diviersity to you sand bed.
The sand sifting star isnt really suitable for a tank your size. ecspecialy since you dont have any sand to sift. Its pretty much a goner.
Not to tell ya what to do but id take it back to the LFS and see if i could get credit.
Filters generally produce nitrates, so they arent the best choice with corals.
Your protein skimmer does the same job and doesnt spike your nitrates.
Damnsels are genrally highly aggresive. May people regret ever putting them in the tank.
You clean up crew need some new recruits for sure. You should definatley get some snail's. Some more hermits too if you like them. (scarlet hermits are considered one the reef safest)
LOL sorry i feel like ive crapped all over your new hobby. Welcome to the hobby though, and good luck with your new tank.
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Tim
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