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.
Watch your coral grow
ATI’s unique assortment of bulb options helps 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.
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.