Hi everyone this is my first post on this forum so here I go. For christmas I got a 12 Gallon Nano Cube for a reef tank. So over the past few days I have been researching and working on it nonstop because this is my first saltwater though I have done a huge amount of studying because I was planning one anyway. So I want to make it a reef tank. And I have a few questions but first, the stocking and equipment list (The coral is coming from Live Aquaria in a special nano softie pack).

Yellow-Tail Damselfish
Black Sailfin Blenny

Dwarf Blue-Leg Hermit Crab
Scarlet Skunk Cleaner Shrimp
3x Turbo Snails
5x Nassarius Snails
2x Super Tongan Nassarius Snails

Random Mushroom Coral
Random Polyp Coral
Random Soft Coral
One random coral from one of those categories

12 Gallon Nano-Cube with modified chambers
(First Chamber:Sera filter wool, and Purigen)
(Second Chamber:Stock Carbon, and LR rubble
(Third Chamber:Maxi-Jet 900 Pump, Heater and Aquatic Life Internal Mini Skimmer 115)
Hydor Koralia Nano 240 Pump

Kent Essential Elements
Kent Iron and Manganese
Kent Liquid Calcium
Kent Marine-C
Kent Strontium and Molybdendum
Kent Iodine
Kent Superbuffer-dKH

I have test kits for all those as well as for copper,alkalinity,phospate,ammonia,nitrite,nitrate ,ph,and silica

I am planning on using one and only nitrifying bacteria

Now for my questions:
Some people say I shouldn't use a protein skimmer for such a small tank. What do you think?

I don't know how I am going to be able to get the cords out of the aquarium. Anyone with experience, please help!

Thats all for now!