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  1. M

    Does using H2O2 and water to cure plant of gnat larvae hurt your plant???

    Only if you use too much. H2O2 breaks down quickly, just step up how much you use each time you water. You're looking for a LIGHT foaming on the top of the soil, after a few times of that the gnats will be gone. Biggest risk is using too much and giver her a quick scorching.
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