Jeannine Anne, my opinion is that you have great lights for growing anything you want to grow. I don't believe you need any additional light or reflective material. Just keep your lights as close to the plants as you can without touching. If a glands grows enough during a day and touches the lamp, it's not a big deal. One or two leaves may show some tip burn but the plant will out grow it quickly. If the bulbs are several years old, it may be a good idea to replace all the bulbs with new ones, otherwise I believe you are good to go.
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Arlie
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