Blue Mystic - First Ever Grow

Learning a lot of little things recently, I brought a 3rd plant inside because its doing well, and I want to salvage as much as I can from trying to use the sunroom. I have also come to the conclusion that the sunroom is just not a viable option to grow cannabis in,but lots of other house plants like pothos and stuff love that room. 2 plants, 1 that I have left outside and was the smallest, and one that had always been the biggest are now in the roughest shape. The soil was the same brand name in all 4 pots but 2 different types of soil, the 2 doing well are in promix organic in the red bag, and the 2 not doing well are in the promix potting mix pink bag. I bought some cal-mag because that is what the issue seemed like to me and I have fed that, and just once a day when I check on things foliar spray to see if it helps, but i think its too far gone. I also changed it to a fabric pot 1 because its already not doing well, and because i wanted to make sure I wasn't over watering all the plants, so it was kind of a sacrifice, My watering seems to be fine only maybe the bottom inch or 2 was really damp, but not soaking wet. I will let he plant just sit and see what happens. Biggest plant ( top center of the pic) is Blue Mystic, and everyday I can see changes in it and the distance to the light changes everyday. I just keep tucking the huge leaves behind the new branches and they all seem to be sticking out now and growing. Bottom left got given as a free seed, but seems to be growing well with new shoots coming out everywhere, and also has huge leaves.