Autoflowers- 24/0, 22/2, 20/4, 18/6 for light. 20/4 or 18/6 recommended but no harm in 24/0. For the light, not knowing what you have I would recommend DLI at 45 for 18/6 you may have to google other time schedules to know what DLI you should be at. Download photone app for android or pay 4.99...