Hi Ho no fear.. I looked at your auto and shes a pretty one! you did really good for your first one .. if she were my plant id let her go another 4 weeks 12 weeks maybe sooner just depends.. I started out on

nutes and struggled I decided to make the switch to Advanced nutrients and they work very well for me using tangs feed schedule allowed the to dial in my own feed schedule, and now I have no more issues none! here ill give ya some tools to save on your PC. here is a chart you will need.
if you do decide to use AN products you can get them cheap off ebay, and stop buy and tell tang thanks for sharing..
here is the best auto feed schedule if you would like to save it..
Days 1 to 10 - plain tap water (PH 7.4)
Days 10 to 15 - 5ml Sensi Grow A, 5ml Sensi Grow B, 5ml Voodoo Juice.
Days 15 to 20 - 6ml Sensi Grow A, 6ml Sensi Grow B, 5ml Voodoo Juice, 5ml Carboload.
Days 20 to 25 - 7ml Sensi Grow A, 7ml Sensi Grow B, 5ml B52, 5ml SensiZym, 5ml Carboload, 5ml RhinoSkin.
Days 25 to 30 - 8ml Sensi Grow A, 8ml Sensi Grow B, 5ml B52, 5ml SensiZym, 5ml Carboload, 5ml RhinoSkin.
Day 30 - Flush medium of mineral build up by passing water through soil,I will use water straight from the tap no sitting out and I will put 40L through my 15L pots with the last 5L containing 5ml Sensi Bloom A, 5ml Sensi Bloom B and 5ml Voodoo juice. The medium will not need watering on day 31.
Day 32 to 35 - 9ml Sensi Bloom A, 9ml Sensi Bloom B,5ml Voodoo Juice,5ml BigBud, 5ml Carboload,5ml Calmag.
Day 35 to 40 - 10ml Sensi Bloom A, 10ml Sensi Bloom B, 5ml Voodoo Juice, 5ml BigBud, 5ml Carboload, 5ml Calmag.
Day 40 to 45 - 10ml Sensi Bloom A, 10ml Sensi Bloom B, 5ml B52, 5ml BigBud, 5ml Carboload, 5ml Calmag.
Day 45 to 60 - 10ml Sensi Bloom A, 10ml Sensi Bloom B, 5ml B52, 5ml Overdrive, 5ml Calmag, 10ml Carboload, 10ml Bud Factor X.
Day 60 to 70 - just water with un-PH'd water.