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The Daily Light Integral of Plants
Apogee's DLI Quantum Meters Reviewed
Why You Shouldn't Blindly Trust Grow Light Specs
Photone Just Got More Powerful: Introducing the Photone Toolbox
The Best Tool for Logging Light: DLI, PPFD or Lux
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
Entering a New Era: Photone Android App Is Out Of Beta 🎉
Light Requirements for Plants: PPFD and DLI recommendations
The Best Light Meter App For Plants in 2023
Cannabis DLI for Your Full Grow Cycle
Increasing Cannabis Growth With CO2
Cannabis Lighting: PAR / PPFD And DLI For Autoflowers
PPFD, PAR, Foot-candle or Lux: What Is the Difference?
Common PAR Levels for Cannabis
A (Quantum) PAR Meter Explained
Underwater PAR Measurements for Reef Aquariums
Properly Wintering Houseplants
The Best Light Meter App For Plants in 2021
Grow Light Maintenance
Is There Such a Thing as Too Much Light?
Choosing the Right Grow Light
Correct Positioning for Indoor Grow Lights
Lux Meter Apps: Why Most of Them Are Useless
