I keep hearing advice about turning down your grow lights and then lowering them closer to the plants. What is the difference if I’m at 100% with lights 4 feet away from canopy at 400PPFD or if I’m at 50% with lights 2 feet away and still at 400PPFD? I like to keep my lights as high as possible in order to even out the footprint so the edges get almost as much light as the center. But if I’m missing something please educate me so I can do the best for my girls.
The 2026 Genetics Selection Guide: Making the Decision That Caps Everything Else
1. Genetics Set the Ceiling You can’t outgrow bad genetic choices. This isn’t about skill. You can dial in the
