Day 43 - simple watering 2 L solution
Day 44 - cut some of down leaves (I found information that at week 6 you can start removing the lower leaves of the plant, so that more nutrients go to the buds)
Day 45 - watering (2,25 L solution)
Day 46 - cutting 1st leaves floor
Day 47 - watering (2,25 L solution)
Day 49 - watering (2,5 L solution)