What are these spots?
Professor_Daankstarted grow question 6y ago
What are these little spots? I only have them localized on this one leaf (and one plant out of three), and haven't seen anymore. I'm more curious than anything. Tips to fix? Don't worry?
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Vikingfalconeranswered grow question 6y ago
Do you have any idea what the light measurement is “ppfd” at the level you have your lights? Looks like your leaves are curling up a bit so I’m. Wondering if this is heat and light related
Bloombusteranswered grow question 6y ago
Hey, buddy! 👋
This is the beginning of phosphorus deficiency.
Solution:
1. Adjust the pH of your hydroponics (without substrate) to 6.2-6.3 pH
2. Make an adjustment to the bloom additive - 0.66ml/l
Good luck, buddy! ✊
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