What kind of bulb is in the light? You can grow plants with high pressure sodium, metal halide, flourescents, and led lights. Regular incandescent lightbulbs will not provide the right spectrum of light for your plants to grow. Make sure to do your research here on the site. This site has a search tool which is very useful when looking for answers to questions that you have. Check out the Resources Tab at the top of the page. That's a great place to start. Read, read, read and you will be well rewarded. Take care and be safe.