Thanks for the umol/j on the light. SF4000 which also draws 450w claims 2.7. I’m torn between the MH3000 and the SF 4000. The SF4000 is a bit more expensive, but more efficient. Anything I’m missing that would convince me to go with the MH3000? I’m looking at purchasing 2 of them.
You already said you bought the SF4000!

The best price/performance I think the Spider farmer 4000 lights offer that. I picked one up and It’s my first run with it. I’ll let you know about performance.