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Grow QuestionsDay 14. Since day 12 a brown spot has appeared on ...

Day 14. Since day 12 a brown spot has appeared on ...

Freedoniastarted grow question 6 years ago

Day 14. Since day 12 a brown spot has appeared on one of the leaves of the first node, spreading little by little. Because of the symptoms, I think it's septoria, so I've sprayed neem oil to see how it works for her. Someone knows what can it be?

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Leaves. Color - Dark-brown

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MUDBUGanswered grow question 6 years ago

Why neem oil u have no bugs and those leaves are nothing your ph will always do this in the beginning untill your rootball getts bigger and takes up more oxygen the more air in your water the more your ph will be all over i would use a smaller stone for now you dont need a big one yet this will help your ph issue once your root ball starts the real growth up to a bigger stone make sure you have calmag its a plus CALMAG 👍👍👍✍️✍️✍️✍️

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MrGreenFingersanswered grow question 6 years ago

Wouldn't worry to much as the 1st set of leaves always does this but I agree with the others, check your PH and ppms religiously, for me after I mix my nutes my ph always rises by 0.6 after a couple hours once oxygenated by the airstones, it then becomes stable. Make sure you always store your PH meter correctly in storage solution and calibrate it regularly. Also make sure you have Calmag as will be essential in DWC under led's, personally I start adding after 2 weeks for the remainder of the grow.

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CRiSPrGrowanswered grow question 6 years ago

hi @freedonia this is classic PH fluctuations, when the PH goes up and down this kind of damage will happen. To stablise the PH try adding more PH + and - so that the PH doesnt change that much ... hope this helps my friend ! 🚀

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Athosanswered grow question 6 years ago

Dial back the nutes, it looks like a bit of over feeding, try 150 PPM.

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