By continuing to use the website or clicking Accept you consent to our cookies and personal data policy and confirm that you are at least 18 year old. For details please see Privacy Policy and Terms
i would recomend maybe 25% and keep it 12" at seedling to keep from stretching then up it 50-75% @ 18" veg and then crank it to 100% for flower and use the photone app or get a par meter (if you have the money) to check ppfd and adjust height