How to Optimally Light Your Plants
All you need to know to get started
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Guides
Read the guides to get the most out of Photone — and ultimately: your plants.
Getting Started
How to Measure Light With Photone
Get started on measuring light with Photone
Measurement Values Explained
Learn about PAR, PPFD, DLI, Illuminance, and CCT
In-Depth Guides
Which Light Source to Choose
Learn which setting to choose to get accurate light intensity measurements (e.g. PPFD, lux)
Common Mistakes
Common mistakes when measuring and how to avoid them
Pro Settings Explained
Learn more about Photone's Pro Settings and how to use them
Medical Cannabis Lighting
Recommended PPFD and DLI levels, common lighting issues, and more
Lighting for Houseplants
Recommended PPFD and DLI levels, common lighting issues, and more
Coral Reef Lighting
PPFD and CCT recommendations, plus how to spot and avoid common lighting problems
How to Measure Under Water
Step-by-step instructions to use Photone under water
How to Calibrate Photone
By calibrating you can align Photone’s reading to a reference
Plant Light Calculator
Learn how much light your plant needs
More on Our Blog
Our blog features more interesting articles about light measurement and plant lighting
The Daily Light Integral of Plants
The daily light integral (DLI) specifies the usable light received within a 24 hour window. Understanding and optimizing DLI is crucial for healthy plants and bountiful plant yield.
Grow Light Metrics Explained
All relevant plant lighting abbreviations and terms explained in a simple glossary
PPFD, PAR, Foot-candle or Lux: What Is the Difference?
Learn about the difference between measuring light intensity for plants or humans
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