I flipped to flower last Saturday. First time flower with this light, I am a little skeptical, and honestly 1 plant would be perfect, But I haven't flipped on the full power of the light, only the bloom. I will wait till week 3 to give them full power. But honestly I wonder if I could get away with using full power now, because its not super powerful light. Like full power is around 650-750 ppfd. But for this run I will just wait till week three. I went ahead and raised the light so both girls could get as much light as possible evenly. Temps at night been really nice low 60s, No problems so far with these girls, they been easy to care for.