Treats 50,000 Gallons
For an immediate Ion level boost during pool startup or spa ionization. 
Add Instant Ions to your pool or spa water every 2 to 8 weeks as needed.
Regular copper level testing every 2 weeks is recommended to maintain a .3 ppm copper level in your spa. 
Ensures up to 3 months of ionization supply for pool treatment and 2 to 4 years for spa treatment.