Woke up from a 13hr sleep.
Since you have a fowlr, get the skimmer and chiller 1st. If there's more funds, get the wavemaker and fluidized reactor. 1st stage.
2nd stage-Kalkwasser reactor, Tunze Osmolator, a container to hold distilled water,Deltec calcium reactor with Rowalith C+, co2 tank with solenoid and regulator, timers, ph controller, additives. Get these before adding coral.
Take your time and don't rush. It's better to have all the equipment connected and operating before adding any livestock. Do the necessary homework regarding equipment.