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Slight yellow top growth
URbanGrownstarted grow question 4 years ago
Does any one else think i have slightly yellowish top growth ( more than normal )
suggesting i have a slight Nitrogen / zinc / iron deficiency
Im going to try watering at a higher ph of 7 to see if its PH problems before i add anything else.
any one got any other ideas ??
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NobodysBudsanswered grow question 4 years ago
always tougher to tell in pictures... if it's slow fade, wait and see is your best option.. .be certain before you dump useless shit into your substrate or reservoir and compound the problem with a new one -- or possibly not a problem and just 1 self-inflicted one afterward.
higher pH won't be a long-term solution if it helps... the only way it'd help is if it reduced the plants ability to use whatever is causing the problem. 6.5-6.8 is likely your best range for soil. Refer to the fertilizer you use, though.. pH is important to their dosing, if they are a reputable company.
EGSilveranswered grow question 4 years ago
They are being given too much nitrogen. Good growing plants are always a little lighter at the new growth. It will turn darker is the next days/week.
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Fusionanswered grow question 4 years ago
I'd say that there a little yellow, but still green.
Think you have pH confused :
It's lower that equals darker.
pH down = darker
pH up = lighter
If you run 5-6 need to add cal-mag.
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