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Calcium or Potassium or ?
Treecutterstarted grow question 2 years ago
I am growing in biobizz lightmix using 1ml/l of biogrow and biobloom as recommended for autos. I have pretty hard water but unsure on PH, soil science says that soil/mycorrhizal associations buffer PH so it doesn't matter in soil and calcium should be available. Cal or Pot or ??
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Treecutteranswered grow question 2 years ago
I tend to agree with Roberts, however, I have removed some leaves incase of septoria but I suspect my airflow, humidity etc is sufficient that septoria shouldn't be an issue.
Reading more into both P & K def I'm going to up my feed and see what happens, as per Roberts's suggestion.
Growinggrannie, If I wasn't so sure about my conditions (I was suffering with low humidity) appreciate your input and will certainly monitor the situation carefully.
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Robertsanswered grow question 2 years ago
You have a phosphorus deficiency, and potassium deficiency starting. She is hungry. Flowering npk ratio 1-2-3. Good luck and happy growing 🌱
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GrowingGrannieanswered grow question 2 years ago
I don't think this has anything to do with nutes or PH or anything of the kind.. the brown spots are indicative to me of septoria which is a fungal disease... This is an article on the disease and what you can/MIGHT be able to do for it... https://www.trifectanatural.com/problem-identifier/get-rid-of-septoria-leaf-spot/
Good luck...
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