Grow Light Course | PAR, PPFD & DLI Explained | Module 3

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Light is the engine of plant growth. In Module 3 of Aero-Gro Academy, you'll learn how to choose, position, and measure grow lights using the metrics professionals rely on: PAR, PP FD, and DLI. Understand how plants actually use light, how to read an LED grow light's specs, and how to deliver the right amount of usable light at every growth stage. No more guessing whether your indoor lighting is too weak, too strong, or too far away. You'll learn to measure PAR, calculate DLI, and dial in your lights so plants grow compact and productive instead of leggy and stretched. Plants don't eat fertilizer. They eat light. Give them the energy they need. Show more