Purple Haze Auto Leaf Issues

DJOB1

New Member
This is my 1st auto run and 2nd grow after a successful Photoperiod that yielded 7 oz. About a month in from seedling, my purple haze auto strain is having major leaf issues. In the same grow space is another auto of a different strain doing just fine. Here are my specs:

Space: 3x3 tent
Pot: 5 gallon
Lights: Mars Hydro TS-600 (2)
Medium: Fox Farms Ocean Forest
Temps: Low 70s with lights on, Mid-upper 60s lights off, 65-75% rh controlled by a humidifier
Light schedule: 18/6
Nutes: 5/5/5 all purpose dry amendments top dressed w/Grow more seaweed extract in unchlorinated tap water (Did the first feed on Saturday 12/5, instructions call for 1 feed per 7-10 days. This is my first run with dry amendments after previously using the FF trio).
Training: Did first low stress training on 12/2. No topping or fimming for this auto.
Last watering- 1 gallon this morning with 1 tsp of growmore (I even added some calmag to see if that was the issue). Last watering was on Saturday.

Any guesses as to what this is? I raised the lights from 16 inches high to 20 inches high and dropped the humidity to 60% thinking that was the issue...
 

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