cal mag

Good Evening and thank you for stopping by to try and help diagnose the problem. So I started a few plants in 3 gal pots with FoxFarms ocean forest soil and fed 0 nutes for the majority of veg phase. After several weeks, these plants looked very healthy with tight node spacing. I was planning...

I have 4 white widow plants. Room has an average temp of 73 / 69.7 degrees. Humidity is average of 34.3 / 32. Light cycle of MH 600 watt bulb is 18/6, distance of about 12 - 14 inches depending on plant, as differing heights. Fan is large tornado type on low, blowing not directly on plants, but...