Why are ships painted red below the waterline?

Casual Navigation · 12.3M views · 2019 · 5:13

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Ships, submarines & maritimeother

Why the open web links it

Explains the practical reasons for using red paint on the underwater parts of ships.

Linked by 5 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including jalopnik.com, wimp.com, revijahak.hr, casualnavigation.com, videsta.com.