Day 12
Temp: 76.5 (HPS running for 1 hour, a/c running for 1 hour)
PH: 7.5
PPM 550
Height: 2"
Health: Third set of leafs coming in. Very green, no spots, no wilting, look very happy. Roots are starting to hit the water and look white, maybe a little brown tint on some of the bigger ones. Stems...