Frodoanswered grow question 4 years ago If the tips are perpetually turned down, it is a slight overdose of nitrogen, due to too acidic pH or to a soil too rich in nitrogen. It's not serious, however I see a slight deficiency of magnesium, calcium and phosphorus. I advise you to irrigate 0,5ml / l of bloom and avoid bio grow for the next 2 irrigations. Do not overdo it with water, 250 ml is enough, then irrigate when the soil on the surface dries. I also recommend 1ml / l of cal / mag. And most importantly check the soil pH to see if it's ok :D