At least once a month, and in any case before each sea trip, check the functioning of the interceptors.
At least once every 3 months:

• Check the status of the anodes and, when necessary, replace them;
  Check the condition of the antifouling, restore when necessary.

At least once every 6 months protect the motors and fittings with special products.

At least once a year, use antifouling protection.