Nice choice of strains!
You will most likely need to mainline and then supercrop constantly.
4 plants is going to be tight in a 4x4 tent. 
Check out my Malawi thread. I only documented the end of the grow but you can see the beast it turned into. I had 3 of those in a 4x4 and it was a jungle.
Best of luck with your grow! I would love to follow along. 
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