Bruce Banner & Rock Machine DWC

Hydroponics Bruce Banner I changed the solution in the tank, changed ppm to 755, pH 5.5; The roots are in good condition, I can’t understand why the growth is so low, I set the light to 75% Soil Rock Machine It was hot, now the temperature has returned to normal and normal growth has begun, I made a second fold, I hope it will survive it well. Let's watch it together.