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Light intensity or cal/mag def?
ReeLeafstarted grow question 5 years ago
Light intensity or cal/mag def? Something third? I raised the light a tad and fed a teaspoon of Epsom salt to the res, plus gave it some adjusted and fertilized water with more calcium than it's used to. It's only one leaf for now, I just want to make sure it doesn't spread.
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Wicked_Stixanswered grow question 5 years ago
The location is definitely strange but it is led light burn. I have had similar issues when the humidity is too high and water droplets build up on the leaves from transpiration. If the leaf is getting too much wind from the fan or intake then it can combine with the led intensity and burn them also. But in hydro it is common to lose a leaf here and there. Nothing to worry about at this point. Just keep an eye on the plant for other leaves starting to get damaged. Good luck flowering her!
OGgrowsanswered grow question 5 years ago
hi mate, I've been looking at your diary. it doesn't seem to me to be a burn of light, in the photos you can see some leaves with dry tips that are not with spots that show in the photo. it may be lack of magnesium or calcium but due to the color of the bright green leaf and the appearance of the spots it seems to me to be lack of calcium. wishing you good luck 🙏🌱🍀
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ReeLeafanswered grow question 5 years ago
@Mrs_Larimar,
It's actually not an upper leaf, but granted if it was so.. And it's the only one affected I can find and it's mid-bush. So it's a bit of a mystery really. Because it looks like light burn indeed, but in the wrong place to be light burn. I figure it could be scars or akin from old light burn perhaps tho, from when it was centered more.
@Animatey
It's about mid-plant, on the side. It has been getting water with very little calcium in it, so cal is also a possibility I figure.
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Mrs_Larimaranswered grow question 5 years ago
Its alightburn... you can see it in the picture, because all upper leaves are effected
https://www.growweedeasy.com/cannabis-plant-problems/light-burn
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Animateyanswered grow question 5 years ago
Is it on a lower leaf? Mg is a mobile element so you'll notice the deficiency in lower leaves first.
Mg def shows up as yellowing in the veins. That could be what's going on with your leaf, but the purple lighting makes i difficult to say.
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