P deficiency

elvl1r

Member
AFter making long research on forum I realize I got P deficiency on my plants. I adjusted the ph around 6.5. Now I want to fix that deficiency I got Biobizz BIO grow and bloom. Bio grow has 4-3-6 NPK . BIO bloom has 2-7-4 . So should I also feed with bloom to give them P? My plants are early vegetative stage. I m giving them 12/12 light to flower them early.

2.Also some of my plants has yellowish leaves starting from the top. Do you think it is iron deficiency or N deficiency
 

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