i noormally dont top tie down or nutin the cycle is to short
i normally use 2 1/2 gal pots and adv 1 foot to 18 inches from top of pot good luck
give them lots of light min 2 gal pot 18/6 or 20/4 light cycle no 12/12
no food first two weeks
then 1/4 strenth creep up to 1/2 your normal usage and stop there
no full strenth nutes for autos
stop food at week 7 and give molasses and water til trichs say its finished not calender
good luck