Best 240W quantum board LED Grow Lights Review 2020
How to Use Quantum Boards to Grow Cannabis Seedling / Clones Quantum board led grow lights are extremely powerful, even at 50% power. I use flourescent lights in my propagation room because I do not have enough height to run QB’s. Distance from plants should be 5’+ Vegetative Growth During Veg your goal should be to slowly acclimatize your plants up to 100% power. Start at 4′ above the canopy and slowly lower the board down to 28″ – 36″ above the canopy. During veg light burn will display with the sides of the leaves curling, or what I see most commonly is the leaves taking on a 3D shape. Flowering For flower you can slowly start to bring the board down to 18″ above the canopy. Light burn is easy to spot during flowering as the pistils will look brown and scorched. You may also get LED bleaching though I have never actually seen this myself. I have had the panel within 15″ of the canopy but any closer than that and you are asking for light burn. Temperature The best spectrum...