A Quick One on the Side

Problems are continuing. Leaves get slightly yellow then brown spots appear and the leave dies over a few days. Flushed the plant in its old 2L pot with about 800mL of water. About 300mL drained out the bottom. Replanted into in a fabric pot with additional 4L of LightMix that I watered very little. I hope this new soil can dry out the old after flushing and also be a new home with good pH for the roots. Since the old soil was full of roots I did not dare removing any of it. Still dont know what exactly was wrong, but since light mix comes with some nutrients from the start I will only use pH adjusted water for now. Hope she survives, but I guess the buds are already suffering.🙏 Update: The whole plant ist taking on lighter Green now, but Bud growth continues. I feel that I at least slowed down, whatever is damaging the plant.