Name: Big Bill Livonia Michigan (Zone 6a) If you need to relax, grow plants!!
Well my experience agrees with yours but even if I go from 20% to 30 or 35%, it has to help.
Btw, egg crate is what you call those inserts in fixtures to diffuse light. Like 1/2" squares.
Orchid lecturer, teacher and judge. Retired Wildlife Biologist. Supervisor of a nature preserve up until I retired.