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.
Blue Plus
Widely regarded as the most popular reef aquarium T5 bulb of all time, Blue Plus combines the properties of a blue bulb (approximately 460nm) with an actinic bulb (approximately 420nm). This produces an intense blue light with high PAR numbers and a light spectrum that encourages both colorations in SPS corals and fluorescence in capable corals. It also helps balance washed-out/yellow-hued tanks. Recommended as a supplement to LEDs and metal halides and commonly used for sunrise and sunset applications in T5 set-ups.