Setting up an indoor garden is greatly simplified by taking advantage of lighting kits. A quality lighting system is one of the best investments to make toward building a high yielding garden. Lighting kits come with everything needed to assemble a complete lighting system, including ballasts to regulate current and reflectors to maximize light coverage. Lighting kits may also include timers to regulate the light cycle, fans to help dissipate the heat, and pulleys for use with lighting rail systems.