We have purchased a Mystic Tan spray booth (July), and my supplier has recommended using Cal Tan spray booth solution as it is 20% cheaper than Mystic Tan solution. However, I'm concerned whether the tan provided by the Cal Tan solution is as good as the tan given by the Mystic Tan solution. Which solution delivers the best tanning result?

Try "sunless solutions" in the search function, there have been a few threads on this topic I'm sure.