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Spots on leaves
Nigs4200started grow question 3 months ago
Any idea what these whitish yellow spots are? They appeared overnight. I'm growing in ffof with perlite and ewc. No nutes added yet, just bush doctor cal mag at half dose 3 days ago with great white, recharge, and photosynthesis Plus which was the last watering of 1.2 liters.
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Leaves. Other
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Shinsimillaanswered grow question 3 months ago
I see you have 2 of the same question and I'm just going to repeat what has already been said.
That doesn't look like a nutrient issue, but more like you have spilled water or feed onto your leaf and it has either been burned.
With plain water it can act like a magnifying glass and concentrate the light in a small spot and burn.
With feed, as the water evaporates, the mixture becomes much more concentrated and can burn like this.
Simple to avoid, don't get water or feed on the leaves, especially not when lights are on.
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