Billy the Mountain Well-Known Member Sep 22, 2022 #2 420foreverQQ said: 300ppfd how many thousand lux? Click to expand... Using a UNI-T lux meter with a "white" LED source, Migro's tests against his Apogee PAR meter resulted in ~ .017 * Lux = ppfd
420foreverQQ said: 300ppfd how many thousand lux? Click to expand... Using a UNI-T lux meter with a "white" LED source, Migro's tests against his Apogee PAR meter resulted in ~ .017 * Lux = ppfd