GThats great news.
pH 6.5 is exactly where you want to be. With ocean forest you won’t need nutes for 2 months.
How big do you want the plants to get? When it comes to lighting you’ll need about 35watts per sq foot of growing space if you use quantum boards, quality cobs, or light strips. If you go with amazon blurples lights, cmh, hps you’ll need 50 actual watts/ sq foot.
Good lights aren’t cheap, and they all use electricity. You’ll have to decide how big you want the grow to get. Then we can offer recommendations.
Check out horticulture lighting group
Rapid led
Timber grow lights.