Articles tagged: lighting
- Deep dive
SPS Corals: Deep Dive
A comprehensive guide to SPS coral care — especially Acropora — for the experienced hobbyist: taxonomy, ULNS vs. moderate nutrients, N:P balance, lighting, flow, RTN/STN, pests, acclimation and tank maturity requirements.
- 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.
- 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.