Lighting

PPFD, DLI, spectrum, efficacy and fixture layout, from one tent to multi-tier rooms.

2 of 50 plannedBeginner · 1Advanced · 1

Light science

1

ExplainerBeginner7 minPAR, PPF and PPFD: the three numbers that matterPAR is the band of light plants use, PPF is what a fixture emits, PPFD is what actually lands on your canopy.

Measuring light

1

How-toAdvanced8 minQuantum sensor calibration and drift: when to trust your PPFD readingsQuantum sensors drift silently. How to cross-check readings, tell bias from drift, and decide: recalibrate, replace, or log and watch.

Coming soon

4

Light targets and schedules · 10 plannedLighting technologies · 10 plannedCommercial lighting · 7 plannedLighting home tents · 5 planned