Glow stick, if you want to make your glow stick brighter and more durable, put it in the freezer of the refrigerator for one night (depending on whether you want to use it the next day, you can freeze it two days in advance if you don't need it urgently), and then try to turn the fluorescent solid inside into fluorescent liquid by hand, that is to say, it is almost enough to go to Bai Wan with your hand and make a click, but it is best not to make it too curved. In this case, You can ask me if you don't understand,