Put bushes on the 6 tables of the Grow Room (6 spots per table), pick the fan (+12%), water pump (+14%) and UV lamp (+24%) for each table and see the time per harvest, bags and money per hour. Tick it if your base is next to a Reservoir (Rivertown, Highlands) for the double harvest chance.
Grow room
Grow Table: 6 spots, 36-second tick, 6 tables in a Grow Room.
A bush gives 2–4 Harvest Bags and grows again.
Bags sell at the Fence, with up to +50% from your crime level.
Chemical lab
Reactor I/II/III: 4/6/8 cycles.
Industrial freezer for crystals, 6-minute tick.
The Laboratory site (Rivertown, El Peso, Highlands) speeds up cooking.