plant 5 and 6

think they have stop growing finally and now they need to fill in. been a good grow so far minus plant 5 short height which i figured i contributed too messing with the shell getting it off at germination never pull up lol. plant 6 is at 40 inches tall now picked up 3 inches plant 5 is only 24 inches tall. i have moved them into there own tent so they could spread out a little plant 6 in 3x3 plant 5 in the 2x2 those pic coming