pest help

I got these weird yellow/white ish pest, tinier then the Dot on the keyboard, and they just gettin increased as im writin this post .

they living inside the soil , new soil, that i just purchased.
they have little legs - but they very very, very small
i wish i could take a pic of them but thats impossible

I asked the seller who sold me the soil and he didnt know what im talking about and never heard of them .

My babies are 8 days old , and so far this pets is inside the soil , pop to the surface once in a while , so small i cant catch them on camera.
Dont know if they harmful , but dont want to find out when it's too late and all my babies will be flush down the toilet.
i google everything..any possible combination of : pest,soil,cannabis,yellow,white,mold insects, Whatever!!

i got an illustration pic



any suggestion ? advice ? sympathy ?

My advice is to overreact. Treat them with azatrol drench to start. They have to be eating something and also shitting somewhere, they could be root aphids.

They are more likely to be Fungus Gnat Larvae ,
have you seen any Adults flying about ?

no ..no adults ..
i replanet all of my seedling ,new soil, new planters, hope they didnt get stress from the movement
one of the seedling break a lil bit when i replanet ..that's means death ?