If you are considering ChilLed and have little wiggle room with time the new ULTRA x3 330LEDs come out in June.1200/ light cover a 4x4 flower and are the game changer for LED lighting industry. They will be new standard.
Hey, I have a little help for you in regard to equal pressure output for watering your plants. Checkout Dripwork.com you will look specifically for the Woodpecker emitter. It has a pressure release valve I believe is set to 15 psi so that all emitter will have pressure prior to water flowing.