20W led in subwoofer | First grow

Day 37 Necrosis of the leaves stopped. The distance to the lamp is 5 centimeters. Some leaves have burning tips. Day 41 Between the plant and the lamp 3 cm. Not only the upper leaves burned, but also the flowers. But I can't lower the branches below, because the plant fell lower more often than Russian girls on their knees on holiday in Turkey.😏