yellowing

[bassboy]

Join DateMar 2014Posts10

[h=2]

Whats this?????[/h]

plants 52 days. All are good except on a couple down low i am getting more of this?? 1 Tsp Sea Grow 4-26-26.... 1/4 tsp HB 1.5 ml Cal Max. OF with no amendments.
Is it a deficiency ??? Thoughts..................all are under commercial grade LED​

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[Magic]

first pic is cal mag, i say up the cal max. second is nitrogen you can add 1/8 or 1/4 of 16-16-16 if you got it. but since your on day 52 and into flowering nitrogen isnt as important as the cal mag issue.

 

[bassboy]

awesome. Thank You

 

[Muddy]

It would be helpful to see some pics of the whole plant taken with the lights off or the plants removed from under the lights so we can see the true color of the leaves. If it's only a couple of the very bottom leaves it's fairly common to have them start to die off at this age, especially if they are well shaded. But if it's spreading up the plant, then it could be a deficiency. I also wouldn't overlook your pH. If your soil pH is off you could also be experiencing nutrient lockout. Are you checking the pH of your soil or of your run off? If so, what is it reading.

 

[bassboy]

Thank you much. Actually I am waiting on my soil ph meter in the mail. I will test the run off now

 

[dazedandconfuzed]

Looks like a tiny bit of lockout to me brother. Could just be a little PH issue. My Auto Assassin has as few bottom leaves yellowing, but I'm sure it's pretty normal, she's at week 8 now.