source credit to https://www.royalqueenseeds.com/blog-how-to-use-a-lux-meter-to-increase-your-cannabis-yields-n977
HOW MUCH LIGHT DO YOUR CANNABIS PLANTS REQUIRE?
Clones and seedlings: 5,000–7,000 lux
Vegetative growth: 15,000–50,000 lux
Flowering: 45,000–65,000 lux
Maximum recommended amount...