Is this a deficiency, a nute burn or something else?

toker89

Member
2 days into flower, i notice these ugly brown spots on some leaves including newer growth, plus some older leaves yellowing and dying off, could it be a cal-mag deficiency or is it something else? using fox farm nutes and soil
 

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Have you fed any Big Grow or Tiger Bloom? If not I would fed a full dose of 2 tsp spoons if I still use Fox Farm's nutes. I switched to Advance Nutes with the ffof it cost twice the price but my buds are twice the size:) You could post a whole plant pic the runoff will be low ph and really high ppms because the runoff test isn't actuate.....
 
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