This is the heart of your light and there are so many choices. The LED converts electricity from your driver into photons of light.
QB288 Board Guide
QB304 Board Guide
Slate Heatsinks for QB
FAQ & General Guide
Optics for Quantum Boards
Link to Growmau5 Growlight Kits
Cutter Configs: mau5 kit for a 3x3 w/ PAR readings
Cutter Configs: part 1 DIY LED kit assembly
Separate names with a comma.