ATI

ATI True Actinic T5 HO Bulb

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True Actinic

Produces a violet-blue light that is designed to maximize fluorescence in capable corals and make livestock colors pop. Color spectrum peaks at 421nm. Usually just one per fixture is used to add additional fluorescence to the system. Recommended as a supplement to LEDs and metal halides and commonly used for sunrise and sunset applications in T5 set ups.

Watch your coral grow

ATI's unique assortment of bulb options help bring out a wide range of colors in corals and makes fluorescent capable corals really pop. Just pick the bulbs that meet your personal color preference and plug it in.

Time-tested, proven results

More than 17 years of proven results since their introduction to the market in 2000. ATI T5 bulbs use the latest advances in phosphors (the stuff that makes the color) and manufacturing techniques to produce bulbs with higher output, better coloration, and more stability.

Renowned for quality

The #1 selling reef specialty T5 bulb line is trusted and used at every level of the aquarium industry; manufacturers, corals farmers, shop owners and everyday hobbyists.