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yahooman

what are these spots?

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Not 100 % sure 

possibly potassium, or phosphorus deficiencies 

but check the under side of the leaves 

for bugs , outdoor is always a problem but awesome at the same time 

good luck 

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I'm getting a similar issue with all the clones I've gotten from the same guy...different strains of weed, but all the plants get yellow/brown and rusty coloured dry spots, the tips discolour and dry out...the odd completely dried out leaf...but the plants are very bushy with many branches...I doubled up a lot on these...I've tried epsom salts, CalMag, Muriate of Potash, high Nitrogen fert., high Phosphorus fert., high Potassium fert...still getting these spots...although the plants seem healthy and bushy otherwise...it's those damned spoiled clones that need it just right...like Goldilocks or something. lol I've been giving the plants some rather stiff doses of 10-52-10 to the flowering plants & 15-30-15 or 30-10-10 for the vegging plants...lots of time to flush out the salts before harvest...

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Looks like ph related spotting to me.

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