i have been using scultz mix, and i know theyre known for MG problems.
Temps: 69.0 - 78.0
Hum: 25 - 45% (winter time)
strain: bubba kush (GHS)
PH: 6.2 - 6.3
light: 400 watt hps
Nutes: second feed using Sensi Grow A/B Advanced Nutrients.
started feed: fourth Inter node up, two and a half...