In these days, sun glasses barely serve only to protect the eyes from the sun. They are mainly used as a fashion accessory and are even worn when there is no sun at all.
The Method Seven glasses can protect from the sun as well and they look quite good, but there is one thing, which they are really good at.
The Method Seven glasses neutralize the yellow light of sodium illuminants. This ensures, that all plants and other things in your growroom have the same colour, they would have, if you looked at them with normal lighting conditions.
So you are able to estimate much quicker, if your plants possibly evice deficiency symptoms or are infested with parasites.
One pair of glasses,