Sometimes those peat pots restrict the roots from growing . They don’t always allow cannabis to root well.
Did you remove the bottom at least?
No i havent removed the bottom
@Aussie_autos is the first pic yellowing? It’s hard to tell sometimes with images. What’s your medium? Is that Canna coir?
Its abit of colour variation the seedlings are in soil mixed with worm castings and once they break through the pot there in they will be in coco coir .that kush come up that way