Aquarium Bulb (lighting) Types
Common aquarium bulbs include the:
*T-12; a standard pin, 1-1/2” wide bulb. This bulb will generally use more watts
*T-8; a standard pin, 1” wide bulb. As compared to the T-12, a 48” T-12 will use 32 watts, while a 48” T-8 will use 32 watts.
*T-5; Generally around 13 mm in diameter. This is [...]