Direct Aquarium

T5 Fluorescent Lighting:

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T5 fluorescent aquarium lights have become the most popular choice for freshwater and marine aquarium lighting. T5 lamps run cool enough to not require fans but are also bright enough to support lower light requirement corals. T5 reef lighting has become increasingly popular due to the small size of t5 fluorescent lights. T5 lighting is measured by the number after the T. Aquarium T5 lights are 5/8 of an inch in diameter and T8 lamps are 8/8 of an inch in diameter. T5 aquarium lights are recommended to be replaced every 6 – 12 months. If your fluorescent lamp does not start when turned on or you see black rings cycling from end to end it is time to replace it.

T5 Fluorescent lamps have several different acronyms you should know. NO stands for normal output, these lamps are the lowest wattage and par output of all t5 lamps. HO stands for High Output which has more watts and a higher par output than normal output lamps but less than VHO (very high output) lamps. VHO lamps are the highest wattage and par output out of all the tube fluorescent lamps. For a wattage range on each type of lamp refer to our T-Style Fluorescent Tube Lamps category.

We carry the following brands of T5 Fluorescent lamps:

T5 aquarium lighting is highly regarded as the most popular, if you are shopping for your first aquarium lighting fixture we recommend buying a fixture that is compatible or comes with T5 style bulbs as they are the most common and easiest to find online and at local fish stores. If you have any questions about T5 lights or if they will work with your aquarium lighting fixture, feel free to contact our customer support at info@directaquarium.com