Is light very useful to reef ?

[Tom120]

how can i keep the lighting for my reef , it will look more lively and bueatiful.

 

[Krish]

You have a reef tank without any lights? . Give us a bit more info on your system.


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[mercenary-grunt]

Theres only a few that are nonphotosenthetic.

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[returnofsid]

Not only is light "useful" to a reef, it's absolutely essential, probably the single most important aspect of the health of corals, closely followed by quality flow.