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Yellowing leafs 4th week blooming

Virke
Virkestarted grow question 3 years ago
Can you please help me clarify issue with leafs? They started yellowing last week. Im watering after two meals and giving 2/3 of the full dosage. So i think its a CalMag deficiency,they would be burned on the edges and corners of leafs but its neither too much food or light. You?
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Week 11
Leaves. Color - Yellow
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Mosquito_Haarlem_Holland
Mosquito_Haarlem_Hollandanswered grow question 3 years ago
De roestige vlekken op de bladeren zijn volgens mij veroorzaakt door een schimmel. Dit soort problemen ontstaan vaak door een lage temperatuur en/of een hoge luchtvochtigheid. Zo'n hoge luchtvochtigheid kan bijvoorbeeld het gevolg zijn van een te dichtbegroeide kweektent of simpelweg teveel water bij de wortels.
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Hashy
Hashyanswered grow question 3 years ago
Hello. I don't use your brand of nutes but have used plenty of 3 part base nutes before. You most likely need to start lowering the grow nute by now. I find a calmag supplement helps all the way until the last week of flower. I can't really see anything wrong with the plants on the diary they all look fair nice to be honest with you. Check you nute brand schedule to see if you need to alter the ratio of grow, micro, bloom. When in flower they use more phosphorus and potassium then they do nitrogen.
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