Quote Originally Posted by stickygreenlightsabr
Yes, the mirror WILL reflect more light. I'm not talking about diffused or focused, just LIGHT as in photons. Re-read the original post. If that wasn't the case, then telescopes would use something else.

Also, telescope mirrors are concave, not convex.
I re-read the original post and the post as inquiring about using mirrors for growing plants versus mylar or white color.

As I said, a mirror will reflect More Light but in a direct and undiffused manner.

This wont work for enhancing plant growth.

End of story.