Win a Solatube Daylighting System

By: Beth McRae

Want to win a Solatube Daylighting System AND Glass Distractions fixture of your choice? Just start answering these trivia questions.
The theme is sunlight. How many glasses milk would you need to equal the same amount of Vitamin D produced by only 20 minutes of sunlight exposure? (Hint: We posted this previously as a “fun fact of the day.”)

Please email your answer to by end of day Monday, Dec. 19. Thanks!!

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