However, a side effect of the cathodic protection was to increase marine growth.

It was slimy with the beginnings of marine growth, but could not have been more than two or three weeks in the sea.

There was less marine growth here, more bare metal.

The hull was clean and free of any marine growth.

It is often used in paint that prevents fouling of ship bottoms by marine growth.

Underwater, her hull was sheathed in copper to prevent marine growth.

Tiny spangles on it formed stylized designs of marine growth.

The floor was almost perfectly flat, the walls smooth except for shaggy marine growth.

The mesh was coated with a hoary cloak of marine growth.

Some marine growth, such as shipworms, would bore into the hull causing severe damage over time.