I bought a led strip and put it on the ceiling (4 meter high) bouncing back.
I preflashed the paper for getting a 18% gray. After that put it at the place where the develop tray is positioned. put some coins on the paper and leave it for 10 minutes.
after that develop normally.
I see that the paper is fogged. The place where the coins where are more white than the rest. This means the red strip is not darkroom save!
Now I wonder how you guys tested it?
Did you also preflash the paper? I would check this the next time you are in the darkroom!!!!!