looking good dude, i have grown seedstocker strains before in my personal opinion they dont hit too well but i hope your's turn out well, i highly reccomend spending more money on seeds by reputable breeders, since i probably know just as much as you do but all i do know is that the genetics,or seeds, have a big part in the strength of your weed, it looks like you can grow well so you should be confident in buying them, also i dont know how much vermiculite and coco you have in your soil but i also reccomend ditching them both entirely and going with a heavily peat based soil and perilite since in my experience the more coco in the soil the harder it is to gauge how much nutrients the plant actually needs before it's either suffering from toxicity from overfeeding or deficiencies from underfeeding, peat harvesting is bad for the environment but my plants are like 5 weeks into flower and i still only feed them water