Hey Lenny,, Us Anglers Just Take The First 200mt Of The Bad Line Off,, Unless your Casting A Lot More,,With Bait,,  And Replace It With Good Line,,All Sea Anglers Need A Backing Line, FOR FISHING..  ..But Its All To Do With Were You Fish Rocks,Snaggy Ground Will Weaken Your Line,,Clean beaches It Will Last Longer,,Having A Spare Spool Is An Advantage ,Having A Third Is Better,,,                          ,,,,,,BRI,,,,,,