420foreverQQ
Active Member
300ppfd how many thousand lux?
samsung qb LM281B+ lux?
- Thread starter 420foreverQQ
- Start date
Billy the Mountain
Well-Known Member
Using a UNI-T lux meter with a "white" LED source, Migro's tests against his Apogee PAR meter resulted in ~ .017 * Lux = ppfd