02/2018 Indoor Grow

Spliff Cheese Automatic was harvested, the 100 watt metal halide was taken down, and the HLG 65 was hung. 2 of the 3 beans broke ground (2 regular Kali Bubbas and 1 feminized ChocoLoco) and I'll get pictures soon.
 
So hard to tell by looking at pics sometimes...

Calcium/Magnesium deficiency would be my first instinct, but also check for bugs - fungus gnats, mites or aphids. The more affected plant looks almost like light burn.
 
I was thinking LED stress and calcium as well, it’s very hard for me to grow with LEDs in my space.
 
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