Which Lights? 1000w or 600w

I am designing a new grow room. In the room will be 8 4ft x 4ft tables with between 15-25 plants on each table. My question is obviously 4x4 is a small area for a 1000w hps but if money isnt an issue which would you use? I dont want to have 1000 watters if they aren't going to yield much more than a 600w

600's are more efficient, meaning you get more lumens per watt of electric used.....good luck.

yea with the size of your room i would just go with the 600

if money isnt a option go with the 1000watt it produces more lumens then a 600

1000w is the way to go if you can cool them right, cooltube is the way to go.

1000w over 4x4 is perfect but throw a lot of heat... had runned mine cooling less and didnt like the results as i had to keep it about 48" of the top of the canopy... cooltubed and you can go as low as 10-12"... makes tight monster cola!!

You also want to consider light intensity and penetration. 1k wins.... You will get more, better popcorn from the side branches then you will with the 600. Also, I'd consider less then then 25 plants on a 4x4 table.