Hi mate im pretty new to marine setups myself. I've had mine about a month now but It was already established when I had it.
The best thing to do is to read the journals as it will give you a very good idea on exactly what you'll need and what to expect. They certainly helped me out
The basics you'll need to get the tank running for now is
RO water
Reef salt
200w heater
Marine lamps actinic/White at least 10000k
Refractometer for measuring salinity
Test kits (most important thing)
Coral sand aragonite
Live rock ( try to get cured) will need around 12kg min
Powerhead/s 2000lph
You will need the above to start off with and then you'll need to think about
Protein skimmer
Activated carbon
Phosphate remover
Once you have the tank filled with RO water get the tank up to temp (26) get your powerhead/s running, add correct amount of salt to bring salinity up 1.025 then you can
add live your live rock (live rock is the heart and lungs of the tank. This is your biological filter) and then your sand.
Then it's pet rock watching (watching tiny little organisms come to life) and then you nitrogen cycle begins. Test daily until your ammonia and nitrite read 0 then do a large water change 40/50% to bring nitrate level down, test again 24 hrs later and if all good then add your CUC (snails/hermits/shrimp) these will keep your algae and mess under control.
Test water weekly (ammonia,nitrite,nitrate,ph,kh,salinity,phosphate etc) and do 10% water change with RO salt water ( plain RO water for top offs) water will evaporate but salt content won't so keep testing salinity level
Setting up can be a bit stressful and test your patience but patience is the key in this game and you will be rewarded with a beautiful tank.
Please check out the journals they are a bug help.
Have fun mate and welcome to the salty side of life.
Anyone want to correct/add anything?