Spa filters & mineral ion cartridge (Midtown)

our Spa died just a couple of weeks after we purchased the filters and mineral cartridge, so they have been barely used.
         Three spa filters, model #31489, 30 sq ft.
A6430 Filter compatible with Watkins 31489, Pleatco PWK30, Unicel C-6430, Aladdin 13004, 13004ECO, PLE-051-9186, PLE-051-9670, SD-00328, SD-00704, SD-00703, 46200. Length: 10 1/2”; Outside Diameter: 6”; Top /Bottom Opening: 1 15/16”; Filtration Area: 30 sq. ft, like this: https://www.amazon.com/AmiBron-Springs-Compatible-N0969601-sq-ft-
         One mineral ion cartridge stick like this:
https://www.amazon.com/Filter-Mineral-Cartridge-Stick-
First come.