my first SW FOWLR

[FishFanatic13]

i have living things lol, and one question. i used premixed saltwater i bought at the LFS and its now day 3 and my amonia in 0 my nitrites are 0 and my nitrates are low ph is good, does anyone know does the cycling proccess taken care of with pre mixed salt water. i cant see how though im still letting it run

 

[FishFanatic13]

what is that shell looking thing in the first photo. im new to all of this would like to know the names to the things living in my tnk

 

[arachnar]

Very exciting, I would love to do a saltwater if I had the room and the money, keep us updated.