Ah--------just spit on it & wipe real hard..........
That is, in fact, what she said.
Fish p*ss, sh*t and have sex in the water your mouthpiece goes in. There is no point in sanitising it.
In places where DMs work without wetsuits, all those things are done by the DMs as well. Since the captain/boat crew has to pump out the head, they prefer it happen in the water.