Brown spot on old leaves in early flowering

Tencobretti
Tencobrettistarted grow question 8h ago
Hy growers, Watch do you think about this problem in early flowering al the beginning of 6th week? Ph tend lightly to go down every day. No burnt tips or other problem. EC 1.1 go down 0.8 in two days. Thanks in advance!!!!
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John_Kramer
John_Krameranswered grow question 7h ago
Ca,P def
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