Aqua-GLO Fluorescent Aquarium Bulb; Available in several sizes

The Aqua-GLO linear fluorescent normal output bulb with a colour temperature of 18000K fits all suitable standard and electronic ballasts. This fluorescent bulb generates an ideal fish colour enhancing spectrum while also delivering a strong photosynthetic range of light very capable of stimulating vigorous plant growth. The Aqua-GLO Fluorescent bulb is available in the following lengths: 30 cm (12"), 38 cm (15") , 46 cm (18"), 61 cm (24"), 76 cm (30"), 91 cm (36"), 107 cm (42"), 122cm (48"). The 30 cm (12") fluorescent bulb is T5 with a bulb width of 1.6 cm (0.6"), all other bulb lengths are T8 with a width of 2.5 cm (1 ").