343 gallon build

i have this tank runing freshwater in 2 week's i will sell all the fish & buy new equipment for reef 130 kg dryrock 8 ati t5 bulbs livesand 55kg ati skimmer 250 is , 2 Jebao RW-20 ,Reef Octopus Multi Filter MF-800B (4000ml) Bio Pellete my budget is $7000

i have uv iam not going to use it. any opinion is welcomed bad or good i need all the help i can get

what do u think?!!