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It worked! After 30 days away, I returned home to see if automating the first 30 days of this grow using the Blumat watering system and automated fan from AC Infinity worked.
Day 36 - I defoliated quite a few large fan leaved and did some LST to expose some flowers to light.
My two Grandaddy Purple Autos are light green/yellow in color. Is a lack of nitrogen the cause or is it something else? What do you recommend to fix the issue?
Light is too close too soon. Apparently the others did not take the time to look. You got light stress. Should be at 14 to 16 inches in heavy flowering.
2 strains
Orange Bud
Purple Kush CBD 1:1 Auto 
Trinity Kush
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