# \#lighting

**URL:** https://community.reefnbid.com/tag/lighting/25.md

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## [What blue light actually does to corals](https://community.reefnbid.com/t/what-blue-light-actually-does-to-corals/163)

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**Author:** [@KennyL](https://community.reefnbid.com/u/KennyL)\
**Replies:** 1\
**Last updated:** [August 20, 2026, 1:37pm UTC](https://community.reefnbid.com/t/what-blue-light-actually-does-to-corals/163 "2026-08-20T13:37:58Z")

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The use of blue light in the hobby is a topic often debated, sometimes contentiously. I know. As a seller of corals, I often face skeptics of the blue cast in my photos and videos. But here’s the thing, my goal has alway…