LUX vs PAR Meter | Can You Use a Lux Meter with Grow Lights?
14:06
Your Smartphone is a Quantum Par Meter | “Photone” App
12:20
How Much Light does the Sun Produce in PAR | The Apogee MQ 500 Quantum Flux PAR Meter
10:05
How to Measure Lumens with a Lux Meter
13:28
How Long Should Your Grow Lights Be ON Each Day For Best Results
6:24
Best PAR intensity for plants | PPFD | DLI | CO2
13:19
Growing Plants With UV vs No UV Light & the Effects on Yield and Potency
5:00
PAR meter apps for smart phones | IOS and Android PAR meter apps compared
23:30