[deltarholamda]

Those washing machines are also popular among cruising sailors for whom water efficiency is particularly important. While you can use seawater for washing clothes, it's not very nice and if you don't rinse the salt out, it will eventually damage the clothes.

I have read of some folks who just use a big bucket with a lid. They poke a toilet plunger through a hole in the lid and pump away like churning butter.