i got my leds from led wholesalers on e bay, i am using them in the veg cycle blue and red spectrum, you can get just blue or just red, they put out very little heat and 90% usable light
good luck with yer grow, keep us in the loop, im trying out some led lights i found on e bay ill let you all know how they work out, just using them on seedlings and clones.
2, 12x12 inch panels of 262 led lights 50%red and 50%blue