How many plant can i fit under 4 x 400watt HPS's is i only veg the plants for 2 weeks and how much room will i need?

Thanks.
co dee Reviewed by co dee on . 4 x 400watt HPS's How many plant can i fit under 4 x 400watt HPS's is i only veg the plants for 2 weeks and how much room will i need? Thanks. Rating: 5