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Browning of leaves, heat burn or pests?

local____host
local____hoststarted grow question 4 years ago
Plants are showing signs of browning, and other weirds leaf markings, kind of grey-ish not too pronounced. It's been very hot and sunny here for 5 days, temps reaching above 37°. I left them in the sun during this period, is it heat stress? Otherwise growing nicely.
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Leaves. Edges burnt
Leaves. Color - Dark-brown
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HazeBee
HazeBeeanswered grow question 4 years ago
Try some Magnesium Sulphate(Epsom Salt), helps for Photosynthesis also, but will prevent your leaves from thinning up or yellowing. You might also be having a little nutrient burn(maybe). But Epsom Salt is a perfect remedy for yellowing (1 teaspoon per 3 litres. Or get an NPK solution that has more Nitrogen. But adhere to instructions for optimum results. I hope this helps. Good luck.
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