Dark Phoenix (GHSC)

Had some interesting week. got new box. built it on balcony. much bigger than previous one. 120 x 120x 300 cm. So no more height problems. but now having temperature problem. at nights it goes too low 15-16 degrees Celsius. will need to add some kind of heater. did full res change. hybrids powder to 0.8 per liter. ppm up to 700. ph 6. also another thing, almost 2 weeks on 12/12 light schedule and still no pistils. hope they will come out soon. update (02.10.21): added bruder lamp. still having some temperature problems. night 15 degrees, day 19 degrees. humidity 70%. refilled with 5 liter of water from last res change. ppm down to 620.