Beginner takes on 4x Sweet Seeds Speed Auto

D29: 2 of 4 plants showing signs of flowering/bloom already. Upped light to 650 PPFD (40 DLI) and 30 cm distance. I think it may already be to late for LST for those two, which is fine by me. Lets see. The other two will receive LST asap. D31: All 4 plants blooming. Upped to 45 DLI, 33 cm distance. Water: Missed out a day of watering (thought there was plenty left) and plants did not like it ... Autopots are weird when it comes to watering. Will need to water every two days strictly from now on. Doing very light LST to keep even and airy canopy. Speaking of watering: Every second day water 750 ml (pH 6.2; 1.2 mS/cm); drain 50 ml (pH 7.4; 2.2 mS/cm); Will lower pH again and keep EC; D35: Still no significant stretch, I removed some shaded fan leaves at the bottom - don't know whether thats a mistake or not. Water 0,8l 6,0 1300; drain 0,10l 7,5 1900 STILL very high pH, no movement of pH! I suspect stunted growth (no stretch) is due to pH problems... WILL NEED TO SOLVE NEXT WEEK!