How Much PAR Do Cannabis Plants Need? - Understanding PPFD & PAR
6:24
Best PAR intensity for plants | PPFD | DLI | CO2
17:46
PPFD App for Android | PAR map update | 98% accuracy!!!!!
13:36
Grow Lights 101: Best Plant Growth Spectrum Color? White vs Red/Blue LED + What is PAR & ePAR Light?
6:50
HOW TO USE LIGHT METER FOR PLANTS?
16:48
PAR, PPF, PPFD, and PFD Explained
12:28
Experiment: Red Light vs Blue Light -How Spectrums Affect Plant Growth- LED vs CFL
5:06
LUX meter to PAR meter hack | Use a cheap LUX meter to measure PAR
8:48