When Bathroom Caulk Gets Moldy: Should You Clean or Replace It?

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You've noticed that dark, spotty mold creeping along your bathroom caulk. It's a common frustration. Before you grab a bleach spray, consider this: if the caulk itself is old, cracked, or pulling away, cleaning the mold is just a temporary fix. Scrubbing might remove surface stains, but mold can grow deep into porous, deteriorating caulk. Replacing it, while more work, solves the problem by removing the compromised material entirely. For a long-term solution, you often need to cut out the old c…