Help ! I need some seeds & im in the U.S.

i am a novice grower grow a few times outdoors and i recently bought a hydrofarm megagarden it holds 15 5.5" x 5.5". Its a ebb n flow hydro set up very small . I want to get some good seeds preferably a squatty high yeild indica like MK, NL, &/or Grapefruit kush . Can anyone help me i live in central Florida.

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I'm growing out of a small Ebb n Flow system its callled Hydro Farm MegaGarden it 22" x 22"x 10" it holds 15 5.5"x5.5" inch square pots. What kind of light would be best to go with for the budget? and is there anything out there for carbon without have to by an expensive co2 or do i really need that for this small hydro set-up. Can any and all recommend me some of the Highest yeild and best indica strains? I am currently looking at affliction seed bank and Nirvana Seeds Aurora Indica seem like a great choice and you get 10 seeds for $27.49 U.s.d. anyone got any opinions?