Your girls look realy healthy mate so they must be enjoying their grow space and that is the most important thing because we torture them alot

I would only suggest to switch to bigger pots since you grow in soil and they recover slower than hydro or coco, go for 6 or 7 gal for best results..
I'm in coco-perlite and 4 gal autopots and am also switching to 6.6 gal xl pots for flowering but will keep the 4 gal for vegging to speed it up..
You have an amazing main-lining thread here by Nugbuckets that I learned from..
Couple of things that work well for me..
Wait for six nodes to develope before first topping..
I top the girls each time in the evening hours, about an hour before lights off so they can recover during the night, it speeds things up..
If your new colas are not big enough leave all te fan leaves for a day or two but be sure to remove all the possible bud sites except the top ones, it will direct all the juices only to them..
After each topping give them 3-5 days to recover, if they are healthy it will be enough time..
Don't point a fan directly to them it slows down the recovery..
I hope it helps a bit mate
Stay green
Dex
All the stupid things that have been written and posted on this forum by me are pure fabrication of my imagination..