photons

Just posting this light I just made, expect to see a lot more from me in the coming weeks as I get my strawberry banana seeds in and grow em under this bad boy. Plan to run Nectar for the Gods as well :) The goal of this light was to strive for insanely good uniformity to help with canopy...

So I ordered the 4x4 kit from Rapid LED that comes with 12 Cree CXB3590 COBs and 3 drivers run at 1400ma (50w). Then they released the 5x5 kit while my order was still processing that runs the Cobs higher at 2100ma (75w). So in my ignorance thinking more watts equals the more bud I will get, I...

So, I just built a 400w COB LED I am running in a 2.5 x 5 tent. I have a 315W CMH light sitting here doing nothing. Would it be overkill to run them both in that size tent? Will a 400W LED be enough on its own?

Hey, Y'all. If this has already been covered please just let me know, but I have been searching and haven't found any threads that really cover this. I want to get some suggestions for a good quantum meter. I have come to realize that measuring PPFD is going to be vital to tuning in my grow and...