Slight leaf tip "burn"

MindFlowers68
MindFlowers68started grow question 3y ago
What do you think is causing this burn on my leaves? It seems to be quite common. and maybe nothing to worry about if it's this minute. but I would prefer to not burn my plants at all if possible. Could it be a sign of underwatering? Light distance? i have a dimmer keepin at 1000
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Week 8
Leaves. Edges burnt
Leaves. Color - Yellow
Setup. Lighting
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CULTIVATORFROG
CULTIVATORFROGanswered grow question 3y ago
The yellow tips I can say are due to pH. If possible, measure the pH of the runoff; if the values are between 6.2 and 6.8, you’re good. Otherwise, water with water that has a pH of 6. If you think it’s a lack of water, just water slowly until you get a little runoff. I don’t think it’s from overwatering, but as I mentioned, it’s due to alkaline pH. You can also raise your panel a few cm because your plant will grow a bit taller.
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Roberts
Robertsanswered grow question 3y ago
If the tips are burnt but straight it is a potassium deficiency issue. It is commonly diagnosed as nute burn, but it's the exact opposite. Commonly occurs in late vegging, and in flowering. Potassium is the most important nutrition in growing. Vegging NPK ratio is 3-1-2, Flowering NPK ratio is 1-2-3
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Stork
Storkanswered grow question 3y ago
From this point could be anything, nutrient burn check your EC 1,7-2,2, light check DLI/12 need to be 30-45 could be also overwater I will say small burnt tips are common and nothing to worry about when the yellowing advances it is time to take action
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