Articles tagged: PAR
- Basics
Lighting — the role of light in a reef aquarium
Why corals need light, what PAR and DLI mean in practice, and how to choose the right lighting level for different coral types.
- Practice
Lighting in practice — LED fixture selection, placement and photoperiod
LED fixture selection, placement, optics, acclimation and photoperiod — the variables that get your PAR value right and keep it there.
- Deep dive
Lighting — zooxanthellae, the Stokes shift and photoacclimation
Cell-level light physiology: zooxanthellae, chlorophyll absorption peaks, the Stokes shift, photoacclimation and photoinhibition.
- Practice
Light is not set by eye — the PAR meter in practice
What PAR and cPUR measure, why LED lighting requires measurement, species-specific reference values and the principles of light acclimatisation.