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Brown leaves and red stems. Is this a calcium deficiency ?

Maskedcucumber
Maskedcucumberstarted grow question 3y ago
I had an iron toxicity recently that may explain the brown parts but it may look like calcium deficiency. There are many red stems too but it maybe something else like the bad Ph and overfeeding from the previous month. What do you think ? Thanks !!
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Week 11
Leaves. Color - Yellow
Leaves. Color - Red or pink
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WhyBudsbun
WhyBudsbunanswered grow question 3y ago
Hi, Also phosphorus deficiency would cause all symptoms. Check here: https://www.growweedeasy.com/cannabis-plant-problems/phosphorus-deficiency In order to solve these kind of problems a good flush with the PH water and then a good feeding is just what you need. Please note that you might be feeding the correct amount of nutrients but the plant might not be absorving them. Checking the EC of feed water and runoff water can also hint you these things.
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Hashy
Hashyanswered grow question 3y ago
If you can take a sample of the run off you will be able to tell if your mediums ph is still in range.
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