Spa Calculators
Spa Pool Volume Calculator (Litres)
Spa Water Chemistry Calculator
Recommended Spa Chemical Levels
| Chemical | Recommended Range | Notes |
|---|---|---|
| pH | 7.2 – 7.6 | Helps prevent corrosion and scaling |
| Total Alkalinity (ppm) | 80 – 120 | Buffers pH to prevent fluctuations |
| Calcium Hardness (ppm) | 150 – 250 | Prevents foam and equipment corrosion |
| Free Chlorine (ppm) | 3 – 5 | Higher level than pools due to heat |
| Bromine (ppm) | 4 – 6 | Alternative sanitizer to chlorine |
