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Dry yellow/brown tips, starting from the oldest leaves

robostarted grow question 5y ago

What's wrong with the plant this week? Many leaves have dry yellow/brown tips, starting from the oldest leaves. Is it some kind of nutrient deficiency, and how do I fix it? I tested the pH of the drainage water and it was 6.8, I've flushed it down to 6.2 now.

robo

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Leaves. Color - Yellow

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TimTheTerpMananswered grow question 5y ago

This is most likely caused by your ph being to high for coco.. Acceptable pH Range for Coco: 5.5-6.5 so you were a bit high.. hopefully correcting this will start to solve your issue! looks like you already knew! Happy growing!

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MrBlocc420answered grow question 5y ago

You are having a nitrogen deficiency. Check your ph levels to make sure your not locking out any nutrients 👌🏾

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NobodysBudsanswered grow question 5y ago

had it previous week a bit too and progressed, so i'd guess imbalance causing lockout or too many nutes to me. 5.5pH is probably a bit low, but depends on your fertilizer's instructions.. mine says 6-6.5 range is optimal. Get that fixed and easy up on nutes in meantime.. if pH clears it up, slowly resume and you'll soon learn if it was pH or nutes.

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MadeInGermanyanswered grow question 5y ago

Buddy do not pay attention to what comes out below, there are totally different values :-) What is important is what comes in above. need more information: your ec, your nutrients, etc

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