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brown spots and yellow tips

getitbig
getitbigstarted grow question 4 years ago
I have problem with one of the plants. She is the biggest one - and have brown spots and yellow tips on the leafs at the buds. I am quite scared!!! What can i do?
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Week 9
Buds. Other
Leaves. Tips - Burnt
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dreambomber
dreambomberanswered grow question 4 years ago
2.5 gall WATERING VOLUME PER PLANT PER 24H Are you really giving them so much? 5 l in two days for all or per one? Have you heard of DWC? Burnt tips might be really nutes overdose. You can always wash soil till quite clean water runs out of the pot. Many people wash soil before flowering and then go to flowering nute schedule. and then flush again every 2-3 week. It is the simplest way to get rid of wrong feeding consequences. You might feed well, but in this case it could be particular plant trait, or soil salinization. 👌
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GODSGIFT_2005_JM
GODSGIFT_2005_JManswered grow question 4 years ago
Nute burn for sure! Flush your medium, with RO water, double the size of the pot. Feed a dosose of cal mag (Very low dose) and include low amount oF Nitrogen (N) and higher amounts of P & K and then from week 6 of flowering, eliminate the N and feed PK only
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