That's why they stretched so much you had them in a window, when the sun went away they stretched, I use 600w led I keep my light right on top of my seedlings so they won't strech, I'm growing 2 f2 red dwarfs 1 is quite large I had to raise the light and the little one stretched but I'm growing autoflowers, if you have a deck with a southern exposure yea but a window sill won't work I tried to, does not work, ok I'll try and help, I use
fox farm ocean forest 4 parts dirt 1 part pearlite for airation, I mix a good handful of De Earth into my mix kills bugs and is a good soil conditioner, buy clay pebbles good drainage is a must, indoors I suggest nursery pots easyer than lugging a grow bag, get an electric ph meter mine cost $12, unless you want excessive heat buy at least a 600w led 2 cycle grow light with veg and bloom, you can buy a hydro crunch from home depot for under $200 I have a 4×4×80 tent but I only grow autoflowers and when there done veg I put them in a closet with a bloom booster, I use botanacare pro grow, and
atami bloombastic, my investment paid for itself long ago, seedstock is important, I like sweet seeds, they sell autoflowers, fast version photoperiod, and regular feminized, buy what you want but bagseed is to unstable besides you have no idea what it is, its likes, its dislikes and i allways end up with a male, weather you want to grow autoflowers or photoperiod plants you have to do it right like i said ill be glad to help, so will allot of people, you just need the right stuff.