They were put into the tent and transplant in 18L pot with all mix soil, I gave them only water for 15 days since all mix is a hot soil, then when switching to 12/12 I gave them 1ml of grow and 0,5ml/L of bloom. My next feed I gave them 1 and 1ml/L of grow & bloom. Then the leaves started to be dark green so I flushed them for the next three waterings, I gave them the normal amount of water but with no fert at all. Then the yellowing started to happen so I thought that they were very hungry since i almost didn't feed them for the first three weeks of flower and they had big buds.Post the feed schedule you are using
So I gave them 11L of water @ 900PPM (the feed in my first post) and since it wasn't enough to have run off I gave them another 11L @ 600PPM