First grow with UV-b Agromax

I think all goes ok. Have some trouble with one plant, but nothing critical for my Critical😁. Input - 1100 ppm 5.5 pH Drainage - 900 ppm 6.5 pH Flowering chart For 1 liter 3-3.5 ml Plagron coco a + b (NPK 4-2-4) + 0.3-0.5 ml PK booster (NPK 13-14) + once a week 0.5-1g magnesium sulfate