Instant Ions Model IONS200
Treats 200,000 Gallons
1 Quart Bottle of Instant Copper Alloy Ions.
New  Granular  Formula
Will provide a 8 to 16 year Ionization supply for spa treatment.  A copper test kit is required to test the copper level every 2 weeks to maintain a .3 ppm of copper in your spa.  You will need to add Instant Ions to your spa water as needed every 2 to 8 weeks.