There's those that love 'em and those that hate 'em and say the electrodes burn out way too fast too often with too much mess to replace.
Starting with what's wrong with yours, what model, how old it is...folks might be able to give you specific answers. If it is old enough and cranky enough, there's probably a suitably expensive "total rebuild
kit" which is often a good way to introduce yourself to an old cranky head
. Along with replacing all the hoses with proper marine
sanitation hose, because all hoses do go porous sooner or later.
Meanwhile, there IS that cedar bucket.