LED light question????

[GreenMachine90]

i only like to flower about 2 plants at a time..My grow space is 3wx3lx4h,... my question is, how many watts of LED light would i need...


(P.S. probably going with a 400w HPS but would just like to know please.)

 

[hashplant420]

i got 5 90 watt leds and they are still not equvalant to my hps bro great for veg but not anuff penetration for flowering