Oak Tannin Stains on Concrete Driveways, Explained
Your driveway keeps staining brown after cleaning? It’s oak tannins, not mold — and it needs a completely different treatment than a standard algae wash.
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Why Jacksonville’s 75% Humidity Turns Driveways Green Fast
Jacksonville’s near-constant 75% humidity fuels algae growth on driveways, roofs, fences, and pool decks — here’s why plain rinsing never actually solves it.
