Woohoo, your first critter
(dead shrimps don't count)
Such a big change in your Alk from 9.3 to 6.8 ...
So ... are you gonna bring that up a tad ? It's close enough, but once you start adding corals that 6.8 doesn't leave you much room for it to dip low ...
And it helps keep your pH up don'cha know
That stuff on the sand looks to me to be diatoms, if I'm seeing it right
Welcome to the next cycle
Lovin' the sexy sump