PolskiIodine and Fluorine are halides and as such they are reactive and broken down in strong light. As a precaution you can dose them after lights out. For all the other elements it makes no difference.
Linked categories:
Iodine and Fluorine are halides and as such they are reactive and broken down in strong light. As a precaution you can dose them after lights out. For all the other elements it makes no difference.