Hey Bakatare, sorry for the lack if details, must have been that Medibles! Anyway they are in 10 gallon pots planted with happy frog, no perlite. Hey, complete noob to outdoor just threw them don't not thinking they would blow up as big as they did.
OK, just guessing, but in 10 gal. pots, and you're vegging, I'm going to say they are building a strong rootball, so just be patient.
Pics ALWAYS help with opinions/ suggestions though.
**NOTE** I usually try to put at least 30-35% Perlite with my soil.
I usually germ my seeds in a Solo cup, then to a 1 gal. pot, then to a 5 gal.
Granted, after the first few weeks of flowering, some always seems to float to the top, LOL.
The 5 gal. has always been enough for me, vegging up to 30 days, but the ones I have going now, I vegged for 60 days, so I'm gonna wait and see how this works out in the 5'er.