How Much PAR Do Cannabis Plants Need? - Understanding PPFD & PAR
16:48
PAR, PPF, PPFD, and PFD Explained
1:02:33
How to increase yield and quality with Dr Bruce Bugbee
33:01
How I Grow -33- From Seed, to Defoliation, to 1lb Harvest - Mephisto Autoflower -Spiderfarmer SF4000
14:06
Your Smartphone is a Quantum Par Meter | “Photone” App
44:12
Cannabis Grow Lighting Myths and FAQs with Dr. Bruce Bugbee
7:44
Grow More Potent Cannabis by Doing THIS with Your Grow Lights
8:04
How to Mainline Cannabis Plants | A Step-by-Step Guide to Bigger Yields (Manifolding)
15:02