Folk...
I'm a complete AutoPot newbie with sub-optimal 1st grow underway.
Purchased the 4x XL 20L fabric pot system with 35L tank - using coco/perlite 70/30 & ~50mm clay ball bottom - no air-stone(s).
I used H&G nutrients during veg stage (8 wks) - then changed to GP3 nutes for flip & flower...