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I'm in deep water culture hydroponics, NOT soil! How much 3 percent hydrogen peroxide, with how much water do I dilute to kill fungus gnat larvae? I read online 1 part hydrogen peroxide per I think it was 3 or 4 parts water. I tried that on my northern lights in my hydroton and it literally fried her and killed her. Don't want to do the same thing to my pineapple express. Help please
from Hydroponics / Aeroponics
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