bubble gum kush auto

On August 19, plant 1 has seperated its main leaf's from seed leaf's and is looking great. On August 20, the other 2 plants did the same thing, they are looking beautiful green. Still have not needed to water them a week later, August 22. first watering 1/4 tsp big bloom to half gallon water ppm 170 water temp 82 us/cm 340 ph 6.7 the 2 brown pots run off is ppm 233 us/cm495 ph 6.8 plant 1 green pot is ppm 304 us/cm 646 ph 6.4 and they are 4 in