What does blue light actually do to corals?

[Pieces of the Ocean Verified Sponsor]

Blue light is often a hotly debated topic. Here I try to clear the air: https://community.reefnbid.com/t/what-blue-light-actually-does-to-corals/163

 

[Bob Weigant]

For me I only really look at my tank with the blues on. Thats just what I prefer