Calcium deficiency or potassium deficiency please help!!

C

Centralcoastgrow

New Member
What’s up guys any suggestions on the issue with this I’m 4 weeks into flower running Cali magic at 2.5ml per gallon and using gh flora series drain to waste at 900ppm in pro mix under 1000watt gravitas.
 

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Centralcoastgrow said:
What’s up guys any suggestions on the issue with this I’m 4 weeks into flower running Cali magic at 2.5ml per gallon and using gh flora series drain to waste at 900ppm in pro mix under 1000watt gravitas.
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Dark green shows nitrogen excess and spotting is likely calcium excess. Why cal mag every time? RO water?
 
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