@ttystikk the horticulture specific Phillips cmh is not recomended or used as a security light. You are the one constantly warning of uv exposure. The new 315 has enough to worry about.
The old 400 and the larger one you always mention were made for accurate color for human eyes for showroom lighting and have little uv. Or any other horticultural benefit compared to a proper bulb.
Please stop spreading made up info. Especially when it is dangerous and even contradictory to your own posts.
And growers house has many employees answering phones. It's a big retail operation. Best to know the info before calling them. They have been good and bad in my experience.
Their tests are great though. I have referred to their site often for comparison info.
