Plant is starting to get this on the old growth what do I do? [image]

I had this happen to me recently, you really have to think about what makes sense here… I started researching plants and nute problems in general, aside from cannabis. My brown spots showed up and I initially thought it was some type of a deposit in the leaves, so I flushed and assumed there were st…

You said this was older growth. In the latter stages of flower Fan leaves start to deteriorate and turn yellow as the plant recognizes it is finishing, and the plant uses the stored nutrients from these leaves to live off. One reason you may recognize this a s a N def. is because we use less N in …

I believe it is a good idea to use CalMag throughout veg stage, and perhaps a week or 2 into flower. Remember that the sooner you find that you can eliminate certain minerals; The better the yield will taste. Something that I believe in under certain circumstances and only when needed to save a p…

Thank you… so if I use cal Meg it should solve my problem?

How do I get the water and nuts down to 6.2 or 6.8 ? Keep adding plant food to water till it gets there?

Hi, it’s a little over a month in veg… the pH of my dirt is 7.0 water is 7.3 … it’s a G13 plant [image]

You dont use plant food to adjust your pH, you use pH Up and Down. There are also a couple of home recipies like vinegar people use but I know nothing about them -good luck

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