6500k or 7800k

The 6500k is better but plants can utilize light up to about 10K or so. The 7800 k lights wouldn't be totally useless if thats all ya got.
 
I tottally disagree. These guys have no experience, I do. The grow lights you get at walmart are 7800k and they are awesome and make your plants grow bushy and healthy with the nodes close together. I got 4 of em and use to vegitate 3 to 4 plants. Then flower under 400w hps in a mylar tent. Ive been searching for a large light system using 7800k but Im still searching. I figure if you used both 6500 and 7800 it would be even better.
 
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