@oldestschool Please never tell anyone to use cal-mag. Especially on a plant with a potash issue. That’s harmful advice.

This is an issue with potassium. Potash deficiency affects the leaf blade edge leaving the center of the leaf green initially. Let’s go through all the reasons potassium could be lacking. It’s an element needed by the plant in higher proportion than any other throughout the plant’s entire life cycle with the exception of hydrogen, oxygen,…

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Those charts are shit because they don’t give any context. There are many reasons for nutrient unavailability.

Potash is the issue here. Potassium is not immobile. It’s just lacking.

It’s easy to mix a hot soil when using too much blood meal for example. What’s done is done. There is no fixing a hot soil with plants in it.