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Is this phosphorus and how can I adjust it

SmylinPupil
SmylinPupilstarted grow question 4 years ago
I’m thinking huge phosphorus deficiency. This is pink kush mid flower I’m trying to adjust with a runoff of about 6.5. Do you think it needs a huge dose?
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Leaves. Color - Black or grey
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GReeNiNjaHashashiN
GReeNiNjaHashashiNanswered grow question 4 years ago
Its always good to flush if you ask me.
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ChitownCannaChica
ChitownCannaChicaanswered grow question 4 years ago
Look more like heat and wind burn than a nute problem…
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