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Silicone caulk (match the color if possible)
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Utility knife
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Painter’s tape
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Rubbing alcohol + cloth
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Caulk smoothing tool (or even a plastic spoon)
Step-by-Step Fix
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Prep the area – Wipe the crack clean with rubbing alcohol.
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Tape it off – Use painter’s tape for neat, sharp lines.
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Apply caulk – Squeeze a thin bead directly over the crack.
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Smooth it – Run a tool or spoon over the caulk for a clean finish.
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Let it cure – Wait at least 24 hours before running water.

Why It Works
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