The PoolRX Booster replaces lost minerals, or used for additional minerals in pools Larger than 20,000 gallons.
The PoolRX Booster needs to be added every 6 months if the pool is used all year round or beginning of each swim season.
| Gallons up to | Litres up to | PoolRX Units | Additional Rechargers |
| 10,000 | 40,000 | 0 | 1 |
| 20,000 | 80,000 | 1 | 0 |
| 25,000 | 100,000 | 1 | 1 |
| 30,000 | 120,000 | 1 | 2 |
| 40,000 | 160,000 | 2 | 0 |
| 50,000 | 200,000 | 2 | 2 |
| 60,000 | 240,000 | 2 | 4 |
