320 xl v2 rspec

Sorry if it’s been talked about before but there are so many threads it’s hard to filter through sometimes. I appreciate any tips, help, advice, etc. How high above seedlings would you hang a 260w XL quantum board in 4000k? It’s the triple long heatsink with a board on each end. And with...

Hey everyone, I really could use some help. I recently purchase the HLG 320 XL and love everything about it but it seems like the lights are not as bright as they should be. I've wired it 2 different ways and still seems low. Long story short I purchased a watt meter for the wall to see what...