I like white paint because you can clean it better. You can scrub that s**** with bleach if you have to. If you get mold or bugs. Nothing like a nice Mylar blanket for some thrips or spider mites to hide behind and stay cozy until you are done treating…
I did not know white paint was almost as reflective as Mylar. You learn something new every day. Once Mylar gets a few splatters of over spray water (or whatever) it gets water spots and looses its luster. Like a clear glass shower door getting hard water spots.
I have often thought of mirrors on the floor and walls. But if I got too high I was afraid I would get lost in that. Never tried it.