DrNoGamestarted grow question 5 years ago Old fans yellowing between veins and at margins, new growth almost lime green. Very sparse nutes (only twice to date), ~6.9PH, max 26C air temp, 5wk autos in Stepwell supersoil. P excess? Does Ca def affect whole plant or only old growth? See last pics week 5. TIA!
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Leaves. Veins - yellow between