I have a 3x3 tent with a really crappy Vivosun 600w all-in-one led. Been reading a lot of posts so I decided to go DIY.
Bought from Cob Kits:
9 Luminus CXM 22 gen 3 3500K 90 CRI COBS
9 pin heatsinks, reflectors, 3 pots, thermal interface material, BJB holders
Bought from RapidLED:
3 HLG...