help,powder mildew should i pull plant

all my plants look healthy,but 1 plant has a powder mildew stuff on one small bottom leave,should I pull plant,Cut off leave help thansk

You should post a picture

highaltitude said:

You should post a picture

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I woudn't sweat it.I had two that got mold on leaves.Grew them to finish.Bud was just fine and really good.

I can post a pic later im at work,The whole plant looks great then on the very bottom theres a old fanleave with the powder on it,

I dont vent at night, I just close my closet door(all fans are on timer),could this be the cause of the problem