That setup will cause you nothing but heartache! Need light...need more light...
Hold the leaves between your thumb and forefinger to see if they are warm to guage if the light is too close. any light 1" away will cause problems. Weird, irreversible problems.
Aluminum reflects lots of heat and has lots of hot spots so be careful! I suppose the white styrofoam would be helpful but very inefficient.
Need to throw a couple hundy at it...