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Situation is getting worse with my blackberry auto day 35
heythere12345started grow question 2 years ago
Situation is getting worse. More dark brown spots appeared since my last watering with half the amount of nutriens. Whats the next step?i thought about feeding only with water until leaves are green an healthy again, but how do i know its nutrien problem causing this?
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Leaves. Color - Dark-brown
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Chow_13answered grow question 2 years ago
Do you have a PPM/EC tester. Looking at your plant she is defiantly suffering from nitrogen toxicity( leaf tips drastically curve down "The Claw").
1. Make sure you PH your water correctly. You only care about PH going in.
2. Test EC going in and EC coming out. If this is drastically different you might want to use only water until you get the EC to around 1-1.5.
3. The brown spots to me look like a cal-mag deficiency. BUT this could be a lockout from having to many nutrient salts built up in your medium.
Don't try to just "Wash" it out with one watering. This is a last resort method as it can wash away the good or even worse drown the roots and cause root rot.
Coopmcanswered grow question 2 years ago
Throwing more food at it is just making it worse
https://growace.com/blogs/learning-center/how-to-fix-nutrient-lockout
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