I did an ONR wash in the garage a couple weeks ago and noticed the difference in lighting in the "after" pictures. It was around 50 to 55 F in the garage with lights warmed up, etc.
I have 4 fixtures (2 tubes each) in the ceiling - 2 banks in front half, 2 nearest garage door. There is a floor beam across the middle parallel to the garage door not shown. These are T12 fixtures.
The fixture nearest the garage door are daylight tubes I added last when I added the additional lighting.
You can tell by shadows of the car that the rear lights nearest the door are brighter as well as better color. Or, the white balance was on auto but it selected something closure to daylight.
Time to upgrade.
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