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Our guides help you to get the most out of our app — and ultimately: your plants.

How to Measure Accurately

How to Measure Accurately

Learn what affects the accuracy of the Photone Grow Light Meter

Which Light to Choose

Which Light to Choose

Selecting the right light setting is crucial for accurate PAR measurement

Medical Cannabis Lighting Guide

Medical Cannabis Lighting Guide

Recommended PAR and DLI levels for your medical cannabis plants

Medical Cannabis Lighting Guide
Pro

Medical Cannabis Lighting Guide

Recommended PAR and DLI levels for your medical cannabis plants

Houseplant Lighting Guide

Houseplant Lighting Guide

Recommended DLI levels and lighting for your houseplants

Houseplant Lighting Guide
Pro

Houseplant Lighting Guide

Recommended DLI levels and lighting for your houseplants

The Daily Light Integral

The Daily Light Integral

What DLI is and why it matters

PPFD or Lux: What Is the Difference?

PPFD or Lux: What Is the Difference?

An explanation of which measurement to choose for what

Why Calibrate

Why Calibrate

Why no light meter will ever be 100% accurate

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