I’m not a new grower, but this is the first time I’ve dealt with whatever this is. This plant is day 16 from breaking ground, and woke up this morning with these brown spots on it. It was fine yesterday. I watered with distilled watered yesterday morning, and set out in the sun for a while. Is this a ph issue? Or did the sun cause it? It’s in happy frog soil mixed with fox farm fruit and flower 4-9-3 and a little worm castings. I watered today with my well water which is about 7.5 ph, and the runoff was 6 ph.
Hey Dex,
I have never grown a plant that didn’t show some kind of spotting, curling or some kind of leaf issue within the first 3 weeks. Just like yours sometimes. But it never progresses beyond that. In Happy Frog soil it should be fine as you know. I gave up trying to have perfect plants. Might have been tiny water spot when those leaves were new. Maybe a bug took a bite. I dont worry about it unless it would present on the whole plant but it never does. I know you know all the basics so just watch them and see if it keeps on showing up. I am betting it wont.
Looks great for its age. Gonna be big.
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Good to hear. Thanks. Like I said, I’ve never had that happen before, so took me off guard this morning. I’ve also never watered with distilled water before either. Coincidence? Oh well, I’ll keep an eye on it. It’s an OG kush. Never grew it before.
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There’s nothing visually different about the various strains other than perhaps coloration at maturity and a couple other minor things. Cannabis is cannabis from a growing perspective. The only real difference between strains is cannabinoid content and the terpine profiles of the various strains.
I agree nothing to worry about.
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What they said 
except in a girlie voice. 
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Looks like the start of Cal-mag deficiency to me.
Already? It’s only 16 days old. If it keeps getting worse I’ll hit it with some cal mag