Week 4 day 3 of flower 276 Watt CFL RDWC marijuana grow Special kush #1

My plants are 4 1/2 weeks old and in their 3 day of flower. PPM 650 PH 5.0 – 5.7 room temp 80 F and humidity 30% I will update next Sunday when i do a water change. light are on 12/12 and…