Regardless of which type you get, we recommend a timer to maintain day/night cycles for fish, guarantee your plants are getting the hours of light they need, and prevent algae blooms.
The two main types of lights on the market are LED and fluorescent. LED's are quickly becoming the more popular of the two due to longer life and energy efficiency.  Regardless of which type you get, we recommend a timer to maintain day/night cycles for fish, guarantee your plants are getting the hours of light they need, and prevent algae blooms. Also, red and blue parts of the light spectrum help with plant growth, so look for fixtures that have that.