You shouldn’t put HPS grow lights above your plants by more than 30 pulgadas (76 centímetro). Medium-sized lights like 600w’s can be placed about 25″ (64centímetro) above the plants without losing vigor, while smaller 400w lights can only be placed about 20″ (~51cm) away from the plants.
MÁS: 7 Razones para cambiar de luces de cultivo HPS a luces LED 2023



