Peroxide ???

I have used a solution of a capful to a small (6 ounce) spray bottle to kill gnats by spraying the dirt. Some of it got on the lower leaves and I didn't wash it off or anything. It looks fine. But I wasn't spraying the foliage on purpose. Hope this helps.
 
thought thats just to add extra molecule when watering heavy so the roots get oxygen........... im new to this tho so i could b wrong
 
Don't. For mold/fungus use a sulfur vaporizer.

Or just beat the whole cycle and keep temps and humidity in check.
 
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