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Dry spots on sugar leaves, plant late in flowering, also spotted on another one in the same reservoir
Cremostarted grow question 3 years ago
Hi guys,
my plant is around 2-3 week before harvest.
What is the cause of the these dry spots on some of the smallest sugar leaves on my plant?
The ppm might be too much and is around 1200-1300ppm.
PH is 6.0-6.1
I've spotted it on one other plant in the same reservoir.
Thank you
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Robertsanswered grow question 3 years ago
Looks like phosphorus deficiency. You are also feeding too much nitrogen. In flowering a npk ratio of 1-2-3 is best till you get the hang of nutrition amounts. Change the water with a high diet in potassium and phosphorus and minimum nitrogen since you ate pretty rich on it. Ph about 6.2 to 6.3 range is better as well. Good luck and should stop those signs once done. 🌱
KushGANGanswered grow question 3 years ago
Hello it really looks like you have light burns on some leaves. This dry spot with this color is characteristic. It can be due to your lamp which is too close of your plants or some water drops which act like a magnifier and burn the leaves. Don't worry for that. Just adjust your lamp if it is too close. good luck. Bye
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Cremoanswered grow question 3 years ago
Thank you @Roberts you're answers are usually on point! I'll def try it. Yesterday I removed around 15L from the 70L reservoir (around 40l are left) and added 20 liters of ph adjusted water to bring it down to ph 5.8 because I thought I overhead 'em a bit. I'll do what you say and will keep an eye on them :)
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