| - | Features |
|---|---|
| #1 | Prevents metallic stains from forming on pool surfaces with no need to test the water or close the pool |
| #2 | Safe for all pool surfaces |
| #3 | Compatible with chlorine, bromine, biguanide, ozone and salt water sanitizing systems |
| #4 | Use weekly to prevent stains, especially after using GLB stain magnet |