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Noticed these yellow spots this morning. Not sure ...

dutchMASTAkilla
dutchMASTAkillastarted grow question 4 years ago
Noticed these yellow spots this morning. Not sure if this is a nute deficiency, leaf septoria or too much light. My lights were pretty low as my tent isn't very tall. Have been watering at around 6.4 and recently started feeding a full dose of Big Bloom and Tiger Bloom.
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Week 6
Leaves. Color - Yellow
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JinksyGrows
JinksyGrowsanswered grow question 4 years ago
Hey there man. 90+% certain you're looking at the beginning of P/Cal/Mag deficiency. I had a touch of septoria and it's comes in more as circular blotches (like a burn mark, burning evenly from the center of the spot, outwards. This specking is consistent with a Cal deficiency, but I say P/Cal/Mag because they go hand in hand. When you see a Cal deficiency there's a hell of a good chance it'll follow up with/already have a Phosphorous Deficiency. Your parameters are all good and/or adequate and definitely don't believe this is a sign of light burn, either. Up that P/Cal/Mag for your next feed and either hold/slightly reduce N/K (this is up to you) and within a week this will stop... The affected leaves may have to go eventually, but spread should indeed halt. Good news is, these are very early signs and it won't take any time to knock it out and balance your feeds to address her needs. Finally, if you feel nervous about leaf septoria, you may remove the affected leaves (as recommended) carefully and look for any new signs of localized spotting. Also, air circulation is key. Keep everything moving and septoria won't have the ability to form and spread. This all being said, I highly, HIGHLY doubt septoria. Good to take the precautions in avoiding it, but I do not believe this is what we're looking at here. Cheers man! and good luck in the coming days and the next feeding. Drop me a line if it doesn't get better, spreads or you want more info on the deficiencies' and plant symptoms.šŸ‘šŸ˜Š(including remedies')
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Ganjamananon89
Ganjamananon89answered grow question 4 years ago
Calcium defiency . Up your calmag slightly for a feed or 2.
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HighRoller909
HighRoller909answered grow question 4 years ago
looks like some kind of nutrient excess to me. I would back off with calmag plus a bit and see if signs stop appearing
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oneskunkyboi
oneskunkyboianswered grow question 4 years ago
That is not too much light, neither leaf septoria. It might be pH fluctuation or cacium deficiency. In my opinion is you shouldnā€™t worry if it wonā€™t extend, and if it is, add CalMag
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