No

ItWill wear out fairly quickly. if it is because you re producing too much with a salt water chlorinator you Will have to change the setting on the chlorinator.

Yes if you are using a chlorinator. salt is sodium chloride and the chlorinator converts it to sodium hypo-chloride which is chlorine.

not salt water, but its better for your health!

Salt is not a pool cleaner, it is usually there to make chlorine via a "salt system"

A pool chlorinator can often be hired from the largest B&Q warehouses. They will hire it for a day or for a week if required. Alternatively a pool chlorinator can be hired from specialist pool suppliers online.