What's the plural form of sea scurf? Here's the word you're looking for.
Answer
The noun sea scurf can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be sea scurf.
However, in more specific contexts, the plural form can also be sea scurfs e.g. in reference to various types of sea scurfs
or a collection of sea scurfs.