This reef tank lighting guide is designed to demystify the science of light. We will walk through the best technology, coral requirements, and how to program your lights like a seasoned pro.
Everything you need to know about lighting your reef aquarium from understanding PAR and spectrum to choosing the right LED fixture, setting photoperiods, and acclimating new corals.
In this article, well explore high-end lighting options like Ecotech, AI, Kessil, Reef Breeders, GNC, Dulua, and Red Sea, alongside affordable alternatives such as Dymax, Dennerle, Hygger, Zetlight, and ReefBrite.

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A complete guide to reef tank lighting covering PAR, spectrum, LED vs T5, photoperiod, coral placement, and how to choose the right light for your reef system.
When performance is the ultimate priority, there are three different approaches that can achieve the best distribution and overall performance for SPS-dominant reef tanks. The tried and true T5 fluorescent, a bank of LED strip lights, and the 3-point hybrid approach.
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Mixed reef tank lighting recommendations for LED lights.Radion XR15 LED light rack over BRStv test tank. The second option would be go back to the moderately powered 90 watt range LED lights, mount them closer together and closer to the waters surface.
Reef Tank With Coral Growth. Choosing the Best LED Lighting for Your Aquarium | Aquarium, Led lights, Aquarium lighting.How To Raise Led Aquarium Lights. Best Aquarium Lighting Options. Reef Tank Lighting Guide.

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For larger tanks or higher-demand reefs, the Hydra 64 HD gives you more power and broader coverage while keeping the same familiar control style. It is often chosen by hobbyists who like the AI platform and want to reduce the total number of fixtures over a display.