Depends on your budget. ive got an sr80 tank w/o a refugium. great coral and pod growth.
equipment:
2 AI Hydras
2 mp10s
ghost full size skimmer
heater
media tray with 2 bags of chemi pure elites
i dose with aquavitro 8.4 ph, ions, fuel, calcium
test kits API master kit plus API Kh and calcium
milwaukee hydrometer - super acurate
kent garlic extreme and selcon for food soaking
drip line for acclimating
fine mesh net
5 gal buckets - you will need them
turkey baster for feeding
siphon hose
aiptasia x - better to have and not need than get an aiptasia and have it spread like crazy
quarantine tank - always a great idea to have to minimize loss
small bowls, similar to food mixing bowls
dayplanner to setup a schedule for cleaning, filter change, water change, water tests, record finding, etc. consistency is everything with salty reefs.
4, 5 gal jugs to keep and store salt/rodi water for daily top off/water changes
lastly, 2 soft cushion chairs for you and wifey to stare and enjoy your reef!