Bro what are you talking about look at his plants... Thats an old idea for 3000k... sun mixed spectrum over whole day is about 4000k... Trust me
Awesome grow! Making my first post ever to defend OP.... 2 years late. It is indeed one HLG 65 400K. The light has ports on both sides. Here is a picture of my own For comparison Not trying to rehash old arguments here but want to dispel myths where possible. If you are still not convinced you could count the LED strips on either side of the boards center. Take care everyone!