once i have the same problem but with one strain called AK 48 and i cant figure out the problem then i found out this strain hard to grow indoors but great outdoors
i suggest check the strains so far you doing great
you are doing good job in the flowering room but in the veggie room you did bad job , you never topped your plants thats why the plants not bushy and will yield the minimum
but still you can leaf them you will get bigger buds
1- when you switch soil plant to hydro its very hard
most die in couple weeks but also plenty live
2- tell us about your lighting time , ist 24 hours or 18 /6
3- are the leaves droopy
4- your room temp is very high must not exceed 76 ( maybe this is the main problem and i think its )
5- check...
if you do that and put the male between the females you are going to get seeds in all the buds in each female plant you have
but if you stressed a plant in separate room or you put with her a male you will get seeds without hurting the other plants
most of the plants can pollinate themselves if you stress them enough
for example
start 12/12 till the plant start budding
then keep switching
7/17
17/7
8/16
16/8
12/12
1300 PPM 1200 PPM 1100 PPM
and keep switching
it will seed
sometimes half of it
ps; I HOPE YOU MEAN THAT