cxb 3590 3500k

What would be better for my 2.3’x2.3’ tent? Single 100W CXB3590 3500K chip with lens or LM301H 3500K QB? Thanks for all advices. Edit: I own the single chip CXB3590 light, and it works really well, just want to know if it’s worth to replace it with QB.

Currently I am running all CXB3590 3500K 90CRI COBs for veg and flower. I am always trying to improve and was recently looking at the mass medical branded light on Rapid LED. What do you all think of adding just the center bar from that light OR what would be a good custom center bar to add...

So I think soon I should be able to pull the trigger on finishing my upgrade to COB's. My idea is to use 5 bars each using 5 cobs spaced approx 12" on center on each bar then have each bar approx 12 inch away from the other bars effectively getting 1 cob per sqft. in a 5 x 5 space. My first bar...

I just discovered that I am better off doing a grow journal in this forum as a thread, rather than using the 'grow journal' feature. These are 3 blueberries from Seedsman, currently finishing week 4 of flowering. Two were 'mainlined', and the third was 'fluxed'. The veg period was for 8...