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Led burning or other?

jihun
jihunstarted grow question 8 months ago
Hi Guys, What do you think , what is it? 😃 i use normally water with room temperature, advanced hydro grow and macro,plagron silic rock,advanced h. Root stim and enzyme+. Ph and ec is ok and i set every time.
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Leaves. Tips - Burnt
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m0use
m0useanswered grow question 8 months ago
you have thrips, I can see them in the image you uploaded. They are super small rice grain shaped bugs that attack the leaves, they are butter yellow in the pic. You can see them in the main vein of the 2nd pic close to the top. others are on the leaves scattered about. you need a pesticide. and I would spray em all in veg before flipping to flower. Note their eggs can drop into the soil and hatch then they crawel up and feast.
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fatrottengrapefruit
fatrottengrapefruitanswered grow question 8 months ago
Calcium deficiency.
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Hashy
Hashyanswered grow question 8 months ago
Looks like something has been having a feast on your leaves. The other thing it could be is if you foliar feed (spraying leaves). If you do that while lights are on it magnifies the light on the leaves and burns them.
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kashmir
kashmiranswered grow question 8 months ago
As other suggested my guess is aphids or spider mites especially on the other smaller green leaf on the picture which has white spots. Most of the times those are mites or aphid bites. Inspect the underside of the leave for mites or their eggs, sometimes you need a lens to see them. If it's mites remove as much of the infested leaves as possible, spray with a pesticide specifically for mites and repeat every other few days as they are very resilient. If its aphids you will notice a lot of flying around , lots of ways to get rid of them just google. goodluck
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Organoman
Organomananswered grow question 8 months ago
I am thinking aphids/sap sucking insects and not calcium problems.
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psychedelic_unicorn
psychedelic_unicornanswered grow question 8 months ago
bite marks
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Hempface86
Hempface86answered grow question 8 months ago
Looks like a calcium deficiency..that's my guess .. when I see yellow spotting that's my first thought..Goodluck and happy growing ✌️
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