Your Smartphone is a Quantum Par Meter | “Photone” App
20:39
Photone Grow Light Meter Phone App - Features, Calibration, Use, PAR, PPFD & DLI Explained -
6:48
Par APP test and comparison | measure PPFD with a phone App accurately
16:48
PAR, PPF, PPFD, and PFD Explained
12:17
LUX vs PAR Meter | Can You Use a Lux Meter with Grow Lights?
21:31
Spider Farmer, Maxsisun, Mars Hydro - Entry Level LED Grow Light Comparisons, Test Reports & Reviews
11:52
How to setup your grow light for maximum yield | Make a PAR chart with your phone or lux meter
5:00
PAR meter apps for smart phones | IOS and Android PAR meter apps compared
15:54