- 1). Cover vegetation below the mildew-stained siding with plastic drop cloths. Vinegar kills exposed vegetation.
- 2). Combine 3 cups of distilled white vinegar and 7 cups of water in a pail.
- 3). Immerse a cloth in the diluted solution. Wipe the diluted vinegar onto the moldy siding, thoroughly soaking the mold spores. Leave the solution on the siding surface for 30 minutes to ensure that all mold spores die.
- 4). Scrub the dead mold spores off the siding completely, using a soft brush. Gradually work up the siding, rinsing the siding with water along the way.
- 5). Rinse the entire section of siding to flush off the remaining vinegar.
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