Greetings,
My wife and I are newbies to the world of cannabis growing. We started late July. Based on the photos below, we are unsure why our Critical Purple Auto Flower is spotting the way it is.
Watering - About 36oz once a week
Current light cycle - 18hr on, 6hr off
Humidity between 55-65%, temperature between 75-77F
Light is approximately 22 inches above plant.
Any guidance is much appreciated.
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It looks like Calcium Deficiency to me. Are you supplementing with cal-mag in your watering?
Normally after the first 30 days in soil you have to start amending or using nutes through the rest of the grow cycle.
I personally grow in a 70/30 coco/perlite substrate and add dry ammendments to the coco and then top dress every 25 days.