- Seedling: cannabis plants need 200–300 µmol/s.
- Vegetative phrase: cannabis plants should absorb between 306 et 617 µmol/s with 18 heures de lumière par jour.
- Flowering phrase: cannabis plants should receive between 460 et 925 µmol/s with 12 heures de lumière par jour.
Vous ne’t need to adjust the distance between your lights and plants if the light intensity your plants are now receiving falls within the aforementioned range. It would be necessary to move the grow light closer to the plants below this range. Moving the grow light farther away from the plants would be necessary for anything above this range.



