Light Measurement
Light measurement knowhow straight from the experts.
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All Articles On Light Measurement
The Simplest Way to Create a PAR Map / PPFD Heatmap
Grow Light Metrics Explained
The Best Light Meter App For Plants in 2026
Light Pollution For Plants: Are Your Plants Getting Enough Darkness?
Supplemental Deep Red 660 nm LED Lighting For Improved Flowering and Plant Growth
How to Measure Light in Closed or Confined Spaces
Always Accurate – Photone on iPhone 17 and the Latest Samsung Galaxy Devices
Exciting Update: Photone Version 4 for iOS
Exciting Update: Improved Measurement Accuracy for All Android Devices
The Best Light Meter App For Plants in 2023
Apogee DLI Quantum Meters Reviewed
PPFD, PAR, Foot-candle or Lux: What Is the Difference?
A (Quantum) PAR Meter Explained
