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The AI Prime 16HD is a compact reef LED fixture with 16 LEDs plus a dedicated moonlight channel, sharing its LED cluster and TIR optic with the larger Hydra 32HD and Hydra 64HD. It runs more channels and more output than the original Prime, and the thinner plastics reduce heat load and the fixture's presence over the tank. It suits nano and mid-size reef tanks where a small, app-controlled light with a wide spectrum is wanted. Against its predecessor it adds LEDs, channels and output; against the Hydra models it gives up spread and peak power for a smaller footprint.
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Reef keepers rate the Prime 16HD as a strong small-tank light with good color and growth for its size, and like the separate moonlight channel. Most criticism centers on spread on wider tanks and the cost of mounting hardware.
The Aqua Illumination PRIME 16HD is a reef aquarium LED fixture with 16 LEDs plus a dedicated moonlight LED. It uses a new TIR optic and shares its LED cluster with the Hydra 32HD and Hydra 64HD. Existing AI spectrums can be achieved with it.
The redesigned plastics improve efficiency, which reduces the demand on active cooling. The fixture is thinner and has a lower profile over the tank. It is not waterproof, but the design is better able to handle the moisture of a reef tank.
The TIR lenses shape the light and improve efficiency. The added LEDs give a more targeted full spectrum, a slightly wider output area, higher average PAR and more color pop. LED placement and lens geometry blend the light from the clusters to reduce color separation.
