This is a new advantage to red light! I've used them to observe nocturnal catfish, and have read that certain other animals just plain can't see it. And I use a red heat lamp sometimes to stay warm in the winter. But now I have another reason to like red light.
Thanks, Lewis! You're one of the few around here who make it a point to consistently add to our collective practical knowledge.
Steak, eggs, potatoes - fruits, nuts, berries and forage. Coconut milk and potent herbs and spices. Tea instead of coffee now and teeny amounts of kelp daily. Let's see how this does! Not really had dairy much, and gut seems better for it.