If not addressed, violations can become a real obstacle. Formally known as biofouling, ship fouling is the accumulation of marine life on the hull. A buildup of barnacles and aquatic life can cause a boat to slow down drastically, the engine to overheat, and a blocked intake, all of which result in excessive fuel consumption and damage.
Many of us have an inexplicable attraction to the underwater parts of a ship. We rarely get to see them, but we always know that huge, menacing propellers lurk just beneath the surface, like sea monsters.
Propeller Perils: Tackling Damage Below the Waterline