OGgrowsanswered grow question 5 years ago aluminum paper should not be used, the light reflecting on the aluminum paper creates points of heat that will damage your plants. it must be white plasticized paper or mylar. at the level of cheap led lights, for about 80 € the bestva elite full spectrum compared to the other equivalent models from other brands for me this is the best, here is the link on aliexpress: https://a.aliexpress.com/_dXKSdgS