The Blue Plus bulb is by the hottest selling T5 bulb available, for its crisp blue, that brings out awesome coloration in corals. : ATI has been some of the most sought-after bulbs in the reef aquarium hobby. With their bright crisp colors, ATI are our number one choice when it comes to T5 bulbs. With ATI bulbs you can use a single color on its own or you can mix and match to make the ultimate spectrum.
The ATI Blue Plus T5 HO fluorescent bulb combines the properties of a blue bulb with a True Actinic Blue 03 bulb. Encourages bluing in SPS corals and fluorescence in capable corals. Helps balance out a washed out or yellow hued tank. Works well as a supplement to metal halides or in combination with a 6500K ATI Sun Pro or an ATI AquaBlue Special.