Why are ships painted red below the waterline ?
Every ship in the world has it. That deep red color sitting just below the waterline. Most people never think twice about it. But behind that single color is thousands of years of engineering, chemistry, and one of the most quietly clever solutions in the history of seafaring. From ancient Phoenician tar to toxic chemicals that nearly wiped out entire shellfish populations — this is the full story of why ships are painted red below the waterline.
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