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What's the easiest way to tell if slight leaf...
grumbledog74started grow question 6 years ago
What's the easiest way to tell if slight leaf tip yellowing is too much or not enough nutes?
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Stickanswered grow question 6 years ago
Hi there! If your plant tends to be lime green or pale all over, even though the leaves appear healthy without stripes or spots, then it's a Nitrogen deficiency. If your leaves are clawed and have a deep dark green, then it's a Nitrogen abuse/burn. If your issue only concerns the highest leaves, then it could be a light-burn. If your issue only concerns the new growth, then it could be an Iron deficiency. From what I see in your last pictures, this looks more like a deficiency. In every scenario, wrong pH can be involved. I'd recommend to re-calibrate your tools and double check your pH. Hope this helps, keep us up-to-date so we can help you in parameters adjustments, and happy growing!
Athosanswered grow question 6 years ago
First of all, get an EC/PPM meter, it will go a long way in taking out the guess work.
Second, yellowing tips are not a sign of nutrient deficiency, period. It's always a sign of nutrient overdose
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