2 1k's on each one on its own light mover each one covering a 4x8 set them side by side you have a 8x8 area setup with capacity to produce about 2- 2.5 lb per 4x4 this is not gonna be to hard to acheive light movers effective double your light coverage for 1 light so (1) 1000 = 2 to 2.5lb on a light mover thats 4-5 lbs then another 1000 on a light mover next to it to make 8-10lbs